Awesome-Python-Scripts/Folder_Manager/all-file-extensions.json

{
  "0": {
    "descriptions": [
      "Compressed harddisk data"
    ]
  },
  "1": {
    "descriptions": [
      "Fax",
      "Roff/nroff/troff/groff source for manual page"
    ]
  },
  "8": {
    "descriptions": [
      "A86 assembler source code file"
    ]
  },
  "16": {
    "descriptions": [
      "SYSLINUX Splash Screen Graphic"
    ]
  },
  "75": {
    "descriptions": [
      "75×75 dpi display font"
    ]
  },
  "85": {
    "descriptions": [
      "85×85 dpi display font"
    ]
  },
  "91": {
    "descriptions": [
      "91×91 dpi display font"
    ]
  },
  "96": {
    "descriptions": [
      "96×96 dpi display font"
    ]
  },
  "123": {
    "descriptions": [
      "Spreadsheet"
    ]
  },
  "301": {
    "descriptions": [
      "Fax"
    ]
  },
  "386": {
    "descriptions": [
      "Intel 80386 processor driver",
      "Windows virtual device driver"
    ]
  },
  "555": {
    "descriptions": [
      "16 bit per pixel image file format (5bit per component)"
    ]
  },
  "602": {
    "descriptions": [
      "Text (fairly simple format, plain text with binary control commands embedded within text lines and special formatting commands on dedicated lines)"
    ]
  },
  "668": {
    "descriptions": [
      "Music (the mixing is always at 12048 Hz)"
    ]
  },
  "669": {
    "descriptions": [
      "Music (8 channels)"
    ]
  },
  "890": {
    "descriptions": [
      "ScanTitling subtitle files"
    ]
  },
  "": {
    "descriptions": [
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      "",
      ""
    ]
  },
  "!qB": {
    "descriptions": [
      "Unfinished qBittorrent download"
    ]
  },
  "!ut": {
    "descriptions": [
      "Unfinished µTorrent download"
    ]
  },
  "###": {
    "descriptions": [
      "Temporary file"
    ]
  },
  "#24": {
    "descriptions": [
      "Printer data file for 24-pin matrix printer"
    ]
  },
  "#IB": {
    "descriptions": [
      "Printer data file"
    ]
  },
  "#SC": {
    "descriptions": [
      "Printer data file"
    ]
  },
  "#ST": {
    "descriptions": [
      "Standard mode printer definitions"
    ]
  },
  "#nn": {
    "descriptions": [
      "Part of file image"
    ]
  },
  "$$$": {
    "descriptions": [
      "OS/2 archive file (i.e. archives$.$$, keys$.$$)",
      "Temporary file"
    ]
  },
  "$00": {
    "descriptions": [
      "Pipe file"
    ]
  },
  "$?": {
    "descriptions": [
      "ZX Spectrum file in HOBETA format"
    ]
  },
  "$DB": {
    "descriptions": [
      "Database temporary file"
    ]
  },
  "$O1": {
    "descriptions": [
      "Pipe file"
    ]
  },
  "$VM": {
    "descriptions": [
      "Virtual manager temporary file"
    ]
  },
  "&01, &02, etc": {
    "descriptions": [
      "Holdfast backup archive files"
    ]
  },
  ")2(": {
    "descriptions": [
      "LHA archiver temporary file"
    ]
  },
  "001, 002, ...": {
    "descriptions": [
      "Split parts of a single whole file"
    ]
  },
  "0B": {
    "descriptions": [
      "Printer font with lineDraw extended character set"
    ]
  },
  "123dx": {
    "descriptions": [
      "CAD drawing file"
    ]
  },
  "15U": {
    "descriptions": [
      "Printer font with PI font set"
    ]
  },
  "1ST": {
    "descriptions": [
      "Usually README.1ST text file"
    ]
  },
  "1TX": {
    "descriptions": [
      "1toX Logipole file"
    ]
  },
  "2GR": {
    "descriptions": [
      "286 Grabber File"
    ]
  },
  "3D": {
    "descriptions": [
      "Universal Combat 3D model file"
    ]
  },
  "3DMF": {
    "descriptions": [
      "QuickDraw 3D Metafile"
    ]
  },
  "3DS": {
    "descriptions": [
      "3D Studio Graphics format"
    ]
  },
  "3DSX": {
    "descriptions": [
      "Nintendo 3DS Homebrew File Format"
    ]
  },
  "3DT": {
    "descriptions": [
      "Database in which the meta-data of a 3D Topicscape is held"
    ]
  },
  "3DV": {
    "descriptions": [
      "3-D wireframe graphics by Oscar Garcia"
    ]
  },
  "3FX": {
    "descriptions": [
      "Effect"
    ]
  },
  "3G2": {
    "descriptions": [
      "Mobile Phone Video"
    ]
  },
  "3GA": {
    "descriptions": [
      "Mobile Phone Audio (Samsung)"
    ]
  },
  "3GP": {
    "descriptions": [
      "Mobile Phone Video"
    ]
  },
  "3GR": {
    "descriptions": [
      "386 Grabber File"
    ]
  },
  "3MF": {
    "descriptions": [
      "3D Manufacturing Format"
    ]
  },
  "3T4": {
    "descriptions": [
      "Binary file converter to ASCII"
    ]
  },
  "4C$": {
    "descriptions": [
      "Datafile"
    ]
  },
  "4DB": {
    "descriptions": [
      "4D Structure File"
    ]
  },
  "4DD": {
    "descriptions": [
      "4D Data File"
    ]
  },
  "4DIndy": {
    "descriptions": [
      "4D Structure Index File"
    ]
  },
  "4MD": {
    "descriptions": [
      "Musical file"
    ]
  },
  "4SW": {
    "descriptions": [
      "4DOS Swap File"
    ]
  },
  "4TH": {
    "descriptions": [
      "FORTH source code file"
    ]
  },
  "6CM": {
    "descriptions": [
      "Music (6 Channel Module)"
    ]
  },
  "7z": {
    "descriptions": [
      "A compressed archive file format that supports several different data compression, encryption and pre-processing algorithms"
    ]
  },
  "83p": {
    "descriptions": [
      "Executable program for TI-83 Graphing Calculator"
    ]
  },
  "89p": {
    "descriptions": [
      "Executable program for TI-89/89 Titanium Graphing Calculator"
    ]
  },
  "8BF": {
    "descriptions": [
      "Adobe Photoshop compatible filters/plugins"
    ]
  },
  "8BI": {
    "descriptions": [
      "Adobe Photoshop compatible filters/plugins"
    ]
  },
  "8BX": {
    "descriptions": [
      "Adobe Photoshop compatible filters/plugins"
    ]
  },
  "8CM": {
    "descriptions": [
      "Music (8 Channel Module)"
    ]
  },
  "8M": {
    "descriptions": [
      "Printer font with Math 8 extended character set"
    ]
  },
  "8U": {
    "descriptions": [
      "Printer font with Roman 8 extended character set"
    ]
  },
  "8xp": {
    "descriptions": [
      "Executable program for TI-83/84 Plus Graphing Calculator"
    ]
  },
  "??$": {
    "descriptions": [
      "Backup file"
    ]
  },
  "??_": {
    "descriptions": [
      "Microsoft packed file"
    ]
  },
  "?DK": {
    "descriptions": [
      "Disk image"
    ]
  },
  "?Q?": {
    "descriptions": [
      "Squeeze"
    ]
  },
  "?UT": {
    "descriptions": [
      "Nonpacked FTN mail (? - flavor)"
    ]
  },
  "@@@": {
    "descriptions": [
      "DOS 2.0 - 3.2 backup control file"
    ]
  },
  "A": {
    "descriptions": [
      "ADA source code file",
      "Library"
    ]
  },
  "A##": {
    "descriptions": [
      "AlZip Compressed Files' pieces"
    ]
  },
  "A11": {
    "descriptions": [
      "Graphics AIIM image file"
    ]
  },
  "A2W": {
    "descriptions": [
      "World file for Alice programming language, version 2"
    ]
  },
  "A3P": {
    "descriptions": [
      "Project file for Alice programming language, version 3"
    ]
  },
  "A80": {
    "descriptions": [
      "Assembler language source for 8080"
    ]
  },
  "AA, AB, ...": {
    "descriptions": [
      "Split parts of a single whole file"
    ]
  },
  "AAC": {
    "descriptions": [
      "Advanced Audio Coding, a standardized, lossy compression and encoding scheme for digital audio"
    ]
  },
  "AAF": {
    "descriptions": [
      "AutoPatcher file",
      "Advanced Authoring Format, an advanced media wrapper file for professional applications"
    ]
  },
  "AAS": {
    "descriptions": [
      "Animation Play Script"
    ]
  },
  "AB": {
    "descriptions": [
      "Android adb Backup"
    ]
  },
  "AB6": {
    "descriptions": [
      "Datafile"
    ]
  },
  "AB8": {
    "descriptions": [
      "Datafile"
    ]
  },
  "ABC": {
    "descriptions": [
      "Alembic - 3D geometry / models",
      "Document",
      "Music in ABC format"
    ]
  },
  "ABF": {
    "descriptions": [
      "Adobe Binary Screen Font"
    ]
  },
  "ABK": {
    "descriptions": [
      "Automatic backup file"
    ]
  },
  "ABM": {
    "descriptions": [
      "Image PALS album file",
      "Album file (various programs)"
    ]
  },
  "ABP": {
    "descriptions": [
      "Data",
      "AVS Barcode Profile"
    ]
  },
  "ABR": {
    "descriptions": [
      "Adobe Brush file for PhotoShop"
    ]
  },
  "ABS": {
    "descriptions": [
      "Abstracts (info file)",
      "Data file"
    ]
  },
  "AC": {
    "descriptions": [
      "Project backup"
    ]
  },
  "ACA": {
    "descriptions": [
      "Project"
    ]
  },
  "ACB": {
    "descriptions": [
      "Archive",
      "see ACMB"
    ]
  },
  "ACC": {
    "descriptions": [
      "Program (DR-DOS - ViewMax)"
    ]
  },
  "ACCDA": {
    "descriptions": [
      "Data"
    ]
  },
  "ACCDB": {
    "descriptions": [
      "Data"
    ]
  },
  "ACCDE": {
    "descriptions": [
      "Data"
    ]
  },
  "ACCDT": {
    "descriptions": [
      "Data"
    ]
  },
  "ACCDU": {
    "descriptions": [
      "Data"
    ]
  },
  "ACCFT": {
    "descriptions": [
      "Microsoft Access Data Type Template[1]"
    ]
  },
  "ACDA": {
    "descriptions": [
      "ACDSee Action"
    ]
  },
  "ACDAPK": {
    "descriptions": [
      "ACDSee Actions Pack"
    ]
  },
  "ACDC": {
    "descriptions": [
      "layered graphics file"
    ]
  },
  "ACE": {
    "descriptions": [
      "Archive"
    ]
  },
  "ACF": {
    "descriptions": [
      "Adobe Custom Filter for PhotoShop"
    ]
  },
  "ACL": {
    "descriptions": [
      "Project",
      "AutoCorrect List"
    ]
  },
  "ACM": {
    "descriptions": [
      "Audio Compression Module add-on"
    ]
  },
  "ACMB": {
    "descriptions": [
      "Graphics file"
    ]
  },
  "ACO": {
    "descriptions": [
      "Adobe Color Palette"
    ]
  },
  "ACT": {
    "descriptions": [
      "ACTOR source code file",
      "Animations Works Actor (Graphics cell)",
      "FoxDoc Action Diagrams",
      "Presentation"
    ]
  },
  "AD": {
    "descriptions": [
      "AfterDark screensaver module"
    ]
  },
  "AD2": {
    "descriptions": [
      "ADPCM 2-bit compressed voice file"
    ]
  },
  "AD3": {
    "descriptions": [
      "ADPCM 3-bit compressed voice file"
    ]
  },
  "ADA": {
    "descriptions": [
      "Ada source code file"
    ]
  },
  "ADB": {
    "descriptions": [
      "Ada Package Body"
    ]
  },
  "ADC": {
    "descriptions": [
      "Bitmap graphics (16 colors)",
      "Dictionary"
    ]
  },
  "ADD": {
    "descriptions": [
      "OS/2 adapter device driver"
    ]
  },
  "ADEF": {
    "descriptions": [
      "Legato Application Definition"
    ]
  },
  "ADF": {
    "descriptions": [
      "Amiga Disk File"
    ]
  },
  "ADG": {
    "descriptions": [
      "Data"
    ]
  },
  "ADI": {
    "descriptions": [
      "Graphics file",
      "Database Index File",
      "Database Memo File",
      "Database Table"
    ]
  },
  "ADICHT": {
    "descriptions": [
      "LabChart data acquisition file"
    ]
  },
  "ADL": {
    "descriptions": [
      "MCA adapter description library",
      "ADONIS Definition Language file for exporting models and model groups"
    ]
  },
  "ADM": {
    "descriptions": [
      "After Dark support file",
      "ADEM file format"
    ]
  },
  "ADN": {
    "descriptions": [
      "Add-in"
    ]
  },
  "ADR": {
    "descriptions": [
      "After Dark support file"
    ]
  },
  "ADS": {
    "descriptions": [
      "Ada Package Specification"
    ]
  },
  "ADSON": {
    "descriptions": [
      "Adsonica sound and image file"
    ]
  },
  "ADT": {
    "descriptions": [
      "WoW geographical map location file",
      "Datafile for cardfile application",
      "Abrechnungsdatentransfer, an xDT application",
      "Dictionary",
      "Fax"
    ]
  },
  "ADV": {
    "descriptions": [
      "GUS device driver"
    ]
  },
  "ADX": {
    "descriptions": [
      "Document"
    ]
  },
  "ADZ": {
    "descriptions": [
      "Amiga Disk Zipped (See Amiga Disk File)"
    ]
  },
  "AEP": {
    "descriptions": [
      "After Effects Project File"
    ]
  },
  "AES": {
    "descriptions": [
      "File encrypted using the Advanced Encryption Standard (AES)"
    ]
  },
  "AF2": {
    "descriptions": [
      "Flowchart"
    ]
  },
  "AF3": {
    "descriptions": [
      "Flowchart"
    ]
  },
  "AFI": {
    "descriptions": [
      "Truevision bitmap graphics"
    ]
  },
  "AFL": {
    "descriptions": [
      "Font file (for Always)"
    ]
  },
  "AFM": {
    "descriptions": [
      "Datafile for cardfile application",
      "Type 1 font metric ASCII data for font installer"
    ]
  },
  "AFP": {
    "descriptions": [
      "Shape palette"
    ]
  },
  "AFT": {
    "descriptions": [
      "Template"
    ]
  },
  "AFW": {
    "descriptions": [
      "Workplace"
    ]
  },
  "AGR": {
    "descriptions": [
      "ArcView ASCII grid"
    ]
  },
  "AHK": {
    "descriptions": [
      "AutoHotkey script file"
    ]
  },
  "AI": {
    "descriptions": [
      "Adobe Illustrator Artwork"
    ]
  },
  "AIF": {
    "descriptions": [
      "see AIFF"
    ]
  },
  "AIFC": {
    "descriptions": [
      "Audio Interchange File Format with Compression"
    ]
  },
  "AIFF": {
    "descriptions": [
      "Audio Interchange File Format"
    ]
  },
  "AIN": {
    "descriptions": [
      "Archive",
      "Job schedule"
    ]
  },
  "AIO": {
    "descriptions": [
      "APL programming language file transfer format file"
    ]
  },
  "AIR": {
    "descriptions": [
      "Adobe AIR installation package"
    ]
  },
  "AIS": {
    "descriptions": [
      "Array of Intensity Samples graphics file"
    ]
  },
  "AIX": {
    "descriptions": [
      "Datafile for cardfile application"
    ]
  },
  "AKM": {
    "descriptions": [
      "\"Akai Multitimbral\" sample information file"
    ]
  },
  "AKP": {
    "descriptions": [
      "\"Akai Program\" sample information file"
    ]
  },
  "ALC": {
    "descriptions": [
      "Molecular coordinates"
    ]
  },
  "ALE": {
    "descriptions": [
      "Avid Log Exchange (used in film & video editing)"
    ]
  },
  "ALG": {
    "descriptions": [
      "Activity Log",
      "ER Mapper Algorithm"
    ]
  },
  "ALL": {
    "descriptions": [
      "Arts & Letters symbol and font files",
      "Filelist w/ all files",
      "Format file for working pages",
      "General printer information"
    ]
  },
  "ALO": {
    "descriptions": [
      "Almanac support file"
    ]
  },
  "ALT": {
    "descriptions": [
      "Menu file"
    ]
  },
  "ALZ": {
    "descriptions": [
      "AlZip Compressed Files"
    ]
  },
  "AMD": {
    "descriptions": [
      "Maxum chromatograph offline database"
    ]
  },
  "AMF": {
    "descriptions": [
      "Music (Advanced Module Format)",
      "Additive Manufacturing File Format"
    ]
  },
  "AMG": {
    "descriptions": [
      "Archive",
      "System image file"
    ]
  },
  "AML": {
    "descriptions": [
      "AutomationML"
    ]
  },
  "AMLX": {
    "descriptions": [
      "Compressed and packed AutomationML file"
    ]
  },
  "AMPL": {
    "descriptions": [
      "AMPL source code file"
    ]
  },
  "AMR": {
    "descriptions": [
      "Audio format for mobile phones (Nokia, SonyEricsson)"
    ]
  },
  "AMS": {
    "descriptions": [
      "Adobe Monitor Setup calibration file",
      "Music format"
    ]
  },
  "ANI": {
    "descriptions": [
      "Animation cursors for Win",
      "Animation"
    ]
  },
  "ANIM": {
    "descriptions": [
      "Trainz Animation specification file, for example a steam locomotive's connecting rod movements, or water movement on a river or lake motion. (Obsolescent)"
    ]
  },
  "ANM": {
    "descriptions": [
      "Animation"
    ]
  },
  "ANN": {
    "descriptions": [
      "Annotations of old Windows Help file"
    ]
  },
  "ANS": {
    "descriptions": [
      "ANSI character graphics (animation) file",
      "ASCII text ANSI character set"
    ]
  },
  "AOL": {
    "descriptions": [
      "America On-line for Windows DLL"
    ]
  },
  "AOS": {
    "descriptions": [
      "Add-On Software"
    ]
  },
  "AP": {
    "descriptions": [
      "Archive",
      "Datafile"
    ]
  },
  "APC": {
    "descriptions": [
      "Printer driver"
    ]
  },
  "APD": {
    "descriptions": [
      "Printer driver"
    ]
  },
  "APE": {
    "descriptions": [
      "Monkey's Audio (Lossless)"
    ]
  },
  "APF": {
    "descriptions": [
      "Printer driver"
    ]
  },
  "API": {
    "descriptions": [
      "Adobe Printer Ink file for PhotoShop",
      "Passed parameter file",
      "Printer driver"
    ]
  },
  "APK": {
    "descriptions": [
      "Android Application"
    ]
  },
  "APL": {
    "descriptions": [
      "APL work space format file",
      "Support module used by Manugraphics APL products",
      "EV-Dos Application File",
      "ACDSee plugin"
    ]
  },
  "APM": {
    "descriptions": [
      "Authorware Macintosh"
    ]
  },
  "APP": {
    "descriptions": [
      "Add-in application file",
      "Application object file",
      "Application",
      "Application and Application Bundle",
      "Executable workflow / macro file",
      "Executable application file",
      "Generated application"
    ]
  },
  "APPLICATION": {
    "descriptions": [
      "ClickOnce Application Deployment Manifest"
    ]
  },
  "APR": {
    "descriptions": [
      "Employee performance review"
    ]
  },
  "APW": {
    "descriptions": [
      "Authorware Windows"
    ]
  },
  "APX": {
    "descriptions": [
      "Appexpert database file"
    ]
  },
  "AQF": {
    "descriptions": [
      "Analyzer Queries and Filters"
    ]
  },
  "AR": {
    "descriptions": [
      "Argon - for 3D Modeling"
    ]
  },
  "AR7": {
    "descriptions": [
      "Archive"
    ]
  },
  "ARC": {
    "descriptions": [
      "Archive",
      "Archive",
      "Nintendo proprietary archive format"
    ]
  },
  "ARD": {
    "descriptions": [
      "Map"
    ]
  },
  "ARF": {
    "descriptions": [
      "Automatic Response File"
    ]
  },
  "ARFF": {
    "descriptions": [
      "Weka data file"
    ]
  },
  "ARH": {
    "descriptions": [
      "Archivers definitions file"
    ]
  },
  "ARI": {
    "descriptions": [
      "Archive"
    ]
  },
  "ARJ": {
    "descriptions": [
      "Archive"
    ]
  },
  "ARK": {
    "descriptions": [
      "ARC archive",
      "Archive",
      "Managing your Money Archive File"
    ]
  },
  "ARR": {
    "descriptions": [
      "Arrangement"
    ]
  },
  "ART": {
    "descriptions": [
      "Gerber artwork",
      "First Publisher, Designworks, Greenstreet Draw graphic file",
      "Graphics (scrapbook)",
      "Graphics format (Another Ray Tracer)"
    ]
  },
  "ARTX": {
    "descriptions": [
      "file format",
      "file format"
    ]
  },
  "ARX": {
    "descriptions": [
      "Archive"
    ]
  },
  "ASC": {
    "descriptions": [
      "ASCII text file",
      "Transport armor file"
    ]
  },
  "ASD": {
    "descriptions": [
      "Autosave file",
      "Presentation",
      "Screen driver",
      "Spectral Data Set"
    ]
  },
  "ASE": {
    "descriptions": [
      "Velvet Studio Sample",
      "ASCII Scene Export"
    ]
  },
  "ASF": {
    "descriptions": [
      "Datafile (APL Shared File)",
      "Screen font",
      "Advanced Streaming Format (Compressed Windows audio/video)"
    ]
  },
  "ASH": {
    "descriptions": [
      "Assembly language header file"
    ]
  },
  "ASI": {
    "descriptions": [
      "ASIC language source",
      "Assembler include file"
    ]
  },
  "ASK": {
    "descriptions": [
      "SYSGEN answer file"
    ]
  },
  "ASM": {
    "descriptions": [
      "Assembler language source"
    ]
  },
  "ASMX": {
    "descriptions": [
      "ASP.NET Web Service"
    ]
  },
  "ASO": {
    "descriptions": [
      "Assembler object (object-oriented) file"
    ]
  },
  "ASP": {
    "descriptions": [
      "ASPECT source code file",
      "Association of Shareware Professionals OMBUDSMN.ASP notice",
      "Active Server Pages of Microsoft.Net"
    ]
  },
  "ASPX": {
    "descriptions": [
      "ActiveX Server Pages of Microsoft.Net"
    ]
  },
  "ASS": {
    "descriptions": [
      "Amalgam Scene Specification",
      "Advanced SubStation Alpha (Subtitles)"
    ]
  },
  "AST": {
    "descriptions": [
      "Adobe Color Separation table for PhotoShop",
      "Nintendo proprietary music streaming format"
    ]
  },
  "ASV": {
    "descriptions": [
      "Autosave File"
    ]
  },
  "ASW": {
    "descriptions": [
      "Authorware Star"
    ]
  },
  "ASX": {
    "descriptions": [
      "Advanced Stream Redirector file, redirects to an ASF file (see ASF)"
    ]
  },
  "ASZ": {
    "descriptions": [
      "Skin"
    ]
  },
  "AT2": {
    "descriptions": [
      "Auto template"
    ]
  },
  "AT3": {
    "descriptions": [
      "Atrac 3 Sound/music file"
    ]
  },
  "ATM": {
    "descriptions": [
      "Adobe Type Manager data/info"
    ]
  },
  "ATML": {
    "descriptions": [
      "Awhcp HTML file"
    ]
  },
  "ATN": {
    "descriptions": [
      "Adobe Photoshop action"
    ]
  },
  "ATSOFTS": {
    "descriptions": [
      "Encrypted File"
    ]
  },
  "ATT": {
    "descriptions": [
      "AT&T Group"
    ]
  },
  "ATTF": {
    "descriptions": [
      "AramOS TypeAtor Text File"
    ]
  },
  "ATY": {
    "descriptions": [
      "Produced when an association type is exported by 3D Topicscape"
    ]
  },
  "AU": {
    "descriptions": [
      "Sun/NeXT/DEC Audio file",
      "Sound (audio) file"
    ]
  },
  "AUD": {
    "descriptions": [
      "Audio file"
    ]
  },
  "AUP": {
    "descriptions": [
      "Audacity project file"
    ]
  },
  "AUS": {
    "descriptions": [
      "Kedit AutoSave file"
    ]
  },
  "AUX": {
    "descriptions": [
      "Auxiliary dictionary",
      "Auxiliary references"
    ]
  },
  "AUZ": {
    "descriptions": [
      "Ableton Live File"
    ]
  },
  "AVA": {
    "descriptions": [
      "Publication"
    ]
  },
  "AVB": {
    "descriptions": [
      "AntiViral Toolkit Pro Bases"
    ]
  },
  "AVI": {
    "descriptions": [
      "Audio Video Interleaved animation file"
    ]
  },
  "AVR": {
    "descriptions": [
      "Audio Visual Research"
    ]
  },
  "AVS": {
    "descriptions": [
      "Audio Video Software"
    ]
  },
  "AVT": {
    "descriptions": [
      "AVATAR-coding files"
    ]
  },
  "AW": {
    "descriptions": [
      "Text file",
      "Proprietry Nintendo wave format"
    ]
  },
  "AWA": {
    "descriptions": [
      "Animations Works Accelerated Movie"
    ]
  },
  "AWD": {
    "descriptions": [
      "Microsoft Fax At Work Document"
    ]
  },
  "AWK": {
    "descriptions": [
      "AWK script/program"
    ]
  },
  "AWM": {
    "descriptions": [
      "Animations Works Movie (as .AVI)"
    ]
  },
  "AWS": {
    "descriptions": [
      "Data (APL Workspace)"
    ]
  },
  "AXF": {
    "descriptions": [
      "ARM Executable Image generated by the ARM tools",
      "\"lightweight geodatabase\" [1]"
    ]
  },
  "AXM": {
    "descriptions": [
      "Axmedis object"
    ]
  },
  "AZD": {
    "descriptions": [
      "Amazon Software Download"
    ]
  },
  "AZW": {
    "descriptions": [
      "DRM enabled eBook"
    ]
  },
  "AZW1": {
    "descriptions": [
      "DRM enabled eBook with embedded fonts"
    ]
  },
  "AZW2": {
    "descriptions": [
      "Program file"
    ]
  },
  "AZZ": {
    "descriptions": [
      "Data file"
    ]
  },
  "AiM": {
    "descriptions": [
      "Asm Text Mode Image File"
    ]
  },
  "Ann": {
    "descriptions": [
      "Multi volume ARJ archive"
    ]
  },
  "Ax": {
    "descriptions": [
      "Directshow filter file format"
    ]
  },
  "B": {
    "descriptions": [
      "Batch list",
      "Grand Theft Auto saved game"
    ]
  },
  "B&W": {
    "descriptions": [
      "Black and white graphics file",
      "Mono binary screen image"
    ]
  },
  "B1": {
    "descriptions": [
      "Archive file format"
    ]
  },
  "B1N": {
    "descriptions": [
      "Both mono and color binary screen image"
    ]
  },
  "B30": {
    "descriptions": [
      "Printer font (JLaser - Cordata)"
    ]
  },
  "B3D": {
    "descriptions": [
      "Blitz3D files"
    ]
  },
  "B8": {
    "descriptions": [
      "Raw graphics file (one byte per pixel) plane two"
    ]
  },
  "BA": {
    "descriptions": [
      "Binary Archive"
    ]
  },
  "BAC": {
    "descriptions": [
      "Compiled BASIC"
    ]
  },
  "BAD": {
    "descriptions": [
      "Bad file",
      "Animation file",
      "File which covers bad blocks on disk volume (not to be moved)"
    ]
  },
  "BAK": {
    "descriptions": [
      "Backup file"
    ]
  },
  "BAL": {
    "descriptions": [
      "Music score"
    ]
  },
  "BALANCE": {
    "descriptions": [
      "Balance accounting sheet file"
    ]
  },
  "BAP": {
    "descriptions": [
      "Blaze Audio Wave Information File"
    ]
  },
  "BAR": {
    "descriptions": [
      "Horizontal bar menu object file",
      "Info Bar for GFX2EXE",
      "Broker Archive. Compressed file containing number of other files for deployment.[3]"
    ]
  },
  "BAS": {
    "descriptions": [
      "BASIC language source"
    ]
  },
  "BAT": {
    "descriptions": [
      "Batch file"
    ]
  },
  "BB": {
    "descriptions": [
      "Database backup"
    ]
  },
  "BBL": {
    "descriptions": [
      "Bibliographic reference file"
    ]
  },
  "BBM": {
    "descriptions": [
      "Brush"
    ]
  },
  "BBP": {
    "descriptions": [
      "Playlist"
    ]
  },
  "BBQ": {
    "descriptions": [
      "BitBeamer Transfer Queue file"
    ]
  },
  "BBS": {
    "descriptions": [
      "Bulletin Board System announce or text info file",
      "Hudson-style messagebase"
    ]
  },
  "BC!": {
    "descriptions": [
      "Unfinished download"
    ]
  },
  "BCD": {
    "descriptions": [
      "Boot Configuration Data"
    ]
  },
  "BCF": {
    "descriptions": [
      "Card data"
    ]
  },
  "BCH": {
    "descriptions": [
      "Batch process object file",
      "Datafile"
    ]
  },
  "BCO": {
    "descriptions": [
      "Outline font description"
    ]
  },
  "BCP": {
    "descriptions": [
      "Borland C++ makefile"
    ]
  },
  "BCT": {
    "descriptions": [
      "Backup dictionary"
    ]
  },
  "BCW": {
    "descriptions": [
      "Environment settings"
    ]
  },
  "BDB": {
    "descriptions": [
      "Bookends database"
    ]
  },
  "BDC": {
    "descriptions": [
      "Dictionary"
    ]
  },
  "BDEF": {
    "descriptions": [
      "Builder Definition"
    ]
  },
  "BDF": {
    "descriptions": [
      "Adobe Glyph Bitmap Distribution Format",
      "Binary update file",
      "Bitmap Distribution Format font file",
      "Datafile"
    ]
  },
  "BDIC": {
    "descriptions": [
      "Google Chrome Dictionary"
    ]
  },
  "BDM": {
    "descriptions": [
      "Videoclip"
    ]
  },
  "BDMV": {
    "descriptions": [
      "Blu-ray Video Data Content file"
    ]
  },
  "BDR": {
    "descriptions": [
      "Border"
    ]
  },
  "BDT": {
    "descriptions": [
      "Dictionary",
      "Behandlungsdatentransfer, an xDT application"
    ]
  },
  "BEAM": {
    "descriptions": [
      "Executable bytecode file in fat binary format"
    ]
  },
  "BEF": {
    "descriptions": [
      "Bleck Encrypted File"
    ]
  },
  "BEM": {
    "descriptions": [
      "BIM Cost estimating file"
    ]
  },
  "BEZ": {
    "descriptions": [
      "Outline font description"
    ]
  },
  "BF": {
    "descriptions": [
      "Brainfuck sourcefile"
    ]
  },
  "BF2": {
    "descriptions": [
      "Bradford 2 font"
    ]
  },
  "BFC": {
    "descriptions": [
      "Briefcase Win95"
    ]
  },
  "BFM": {
    "descriptions": [
      "Font metrics"
    ]
  },
  "BFS": {
    "descriptions": [
      "Binary File Storage"
    ]
  },
  "BFX": {
    "descriptions": [
      "Fax"
    ]
  },
  "BGA": {
    "descriptions": [
      "Bitmap graphics"
    ]
  },
  "BGI": {
    "descriptions": [
      "Borland Graphics Interface device driver"
    ]
  },
  "BH": {
    "descriptions": [
      "Blackhole"
    ]
  },
  "BI": {
    "descriptions": [
      "BASIC include file"
    ]
  },
  "BIB": {
    "descriptions": [
      "Bibliography (ASCII)",
      "Database - not compatible with TeX format",
      "Literature database"
    ]
  },
  "BIF": {
    "descriptions": [
      "Binary Image Format b&w graphics file"
    ]
  },
  "BIK": {
    "descriptions": [
      "Bink Video file (RAD Video)"
    ]
  },
  "BIM": {
    "descriptions": [
      "Building Information Modeling"
    ]
  },
  "BIN": {
    "descriptions": [
      "Binary file, usually zero-start (.com analog)",
      "SGI Powerflip",
      "Text mode memory dump"
    ]
  },
  "BIO": {
    "descriptions": [
      "BioniX Wallpaper playlist file",
      "OS/2 BIOS"
    ]
  },
  "BIT": {
    "descriptions": [
      "Bitmap X11",
      "Encrypted file"
    ]
  },
  "BK": {
    "descriptions": [
      "Faxbook"
    ]
  },
  "BK!": {
    "descriptions": [
      "Document backup"
    ]
  },
  "BK?": {
    "descriptions": [
      "Backup file"
    ]
  },
  "BKC": {
    "descriptions": [
      "Backup catalog"
    ]
  },
  "BKF": {
    "descriptions": [
      "Backup archive"
    ]
  },
  "BKP": {
    "descriptions": [
      "Backup file"
    ]
  },
  "BKW": {
    "descriptions": [
      "Mirror image of font set"
    ]
  },
  "BKn": {
    "descriptions": [
      "Timed backup file for document window n"
    ]
  },
  "BLD": {
    "descriptions": [
      "BLoaDable picture",
      "SYSGEN Build procedure file"
    ]
  },
  "BLEND": {
    "descriptions": [
      "Blender3D Project File"
    ]
  },
  "BLG": {
    "descriptions": [
      "Backup Log"
    ]
  },
  "BLK": {
    "descriptions": [
      "Temporary file"
    ]
  },
  "BLOB": {
    "descriptions": [
      "Unknown"
    ]
  },
  "BLP": {
    "descriptions": [
      "Blizzard Game Picture"
    ]
  },
  "BM": {
    "descriptions": [
      "BitMap graphics file"
    ]
  },
  "BM3": {
    "descriptions": [
      "UIQ3 Phone backup"
    ]
  },
  "BMD": {
    "descriptions": [
      "Nintendo proprietary 3D model file"
    ]
  },
  "BMK": {
    "descriptions": [
      "Bookmark of old Windows Help file"
    ]
  },
  "BMP": {
    "descriptions": [
      "OS/2 or Win graphics format (BitMap Picture)"
    ]
  },
  "BMPW": {
    "descriptions": [
      "bitmap world-file - geo-references info"
    ]
  },
  "BMS": {
    "descriptions": [
      "Nintendo proprietary MIDI tracker format"
    ]
  },
  "BMT": {
    "descriptions": [
      "Ami Pro Button"
    ]
  },
  "BNA": {
    "descriptions": [
      "Data"
    ]
  },
  "BNK": {
    "descriptions": [
      "Adlib instrument bank file"
    ]
  },
  "BNR": {
    "descriptions": [
      "Graphics Banner"
    ]
  },
  "BOB": {
    "descriptions": [
      "File archive for Lego Island 2"
    ]
  },
  "BOD": {
    "descriptions": [
      "Stores paths to game files in a BOB archive"
    ]
  },
  "BOK": {
    "descriptions": [
      "Shamela Library book"
    ]
  },
  "BOO": {
    "descriptions": [
      "Book-format",
      "Compressed file ASCII archive created by BOO (msbooasm.arc)",
      "Boo programming language source file"
    ]
  },
  "BOT": {
    "descriptions": [
      "Bot files, these go with JKB files"
    ]
  },
  "BPC": {
    "descriptions": [
      "Chart"
    ]
  },
  "BPOLY": {
    "descriptions": [
      "Data"
    ]
  },
  "BPP": {
    "descriptions": [
      "Backup application"
    ]
  },
  "BPS": {
    "descriptions": [
      "Used for game patches",
      "WPS backup file[5]",
      "Binary file commonly used in computer malware"
    ]
  },
  "BPT": {
    "descriptions": [
      "Bitmap fills file"
    ]
  },
  "BPW": {
    "descriptions": [
      "Bitser proprietary encrypted password file"
    ]
  },
  "BR": {
    "descriptions": [
      "Script"
    ]
  },
  "BRD": {
    "descriptions": [
      "EAGLE board file",
      "Tanzzle board file",
      "Cadence Allegro board file"
    ]
  },
  "BRF": {
    "descriptions": [
      "Braille"
    ]
  },
  "BRK": {
    "descriptions": [
      "Fax",
      "The Brake! Mailer REXX script"
    ]
  },
  "BRL": {
    "descriptions": [
      "CAD"
    ]
  },
  "BS": {
    "descriptions": [
      "Boot sector file"
    ]
  },
  "BS2": {
    "descriptions": [
      "Archive"
    ]
  },
  "BSA": {
    "descriptions": [
      "Archive"
    ]
  },
  "BSC": {
    "descriptions": [
      "Compressed Apple II file archive created by BINSCII",
      "Database",
      "Pwbrmake object file"
    ]
  },
  "BSP": {
    "descriptions": [
      "GoldSource/Source engine map files",
      "id Tech map files"
    ]
  },
  "BSS": {
    "descriptions": [
      "boot sector (DOS) file",
      "Casio Phone base"
    ]
  },
  "BST": {
    "descriptions": [
      "BiblioTex file (BiblioTex=bibliography file)"
    ]
  },
  "BSY": {
    "descriptions": [
      "Busy flag"
    ]
  },
  "BTM": {
    "descriptions": [
      "Batch-to-memory (quick batch)"
    ]
  },
  "BTN": {
    "descriptions": [
      "Makeover Button file"
    ]
  },
  "BTX": {
    "descriptions": [
      "backup of 4DOS batch files (_4INST.BTM)"
    ]
  },
  "BUFR": {
    "descriptions": [
      "Binary Universal Form for the Representation of Meteorological Data"
    ]
  },
  "BUG": {
    "descriptions": [
      "Bugs and Problems"
    ]
  },
  "BUN": {
    "descriptions": [
      "LucasArts Bundle File"
    ]
  },
  "BUP": {
    "descriptions": [
      "Backup file"
    ]
  },
  "BUT": {
    "descriptions": [
      "Button definitions"
    ]
  },
  "BUY": {
    "descriptions": [
      "Datafile format"
    ]
  },
  "BVF": {
    "descriptions": [
      "BIM model file format"
    ]
  },
  "BVn": {
    "descriptions": [
      "Overflow file below insert point in Doc n"
    ]
  },
  "BWB": {
    "descriptions": [
      "Spreadsheet application"
    ]
  },
  "BWR": {
    "descriptions": [
      "Beware (buglist)"
    ]
  },
  "BYK": {
    "descriptions": [
      "BYK Compressed File"
    ]
  },
  "BYU": {
    "descriptions": [
      "BYU Movie"
    ]
  },
  "BZ2": {
    "descriptions": [
      "Archive"
    ]
  },
  "BZM": {
    "descriptions": [
      "Map"
    ]
  },
  "BZN": {
    "descriptions": [
      "Map file"
    ]
  },
  "B_W": {
    "descriptions": [
      "Black and white graphics file"
    ]
  },
  "C": {
    "descriptions": [
      "C language sourceNote that on case-sensitive platforms like Unix and with the gcc compiler the uppercase .C extension indicates a C++ source file.\n\n",
      "Unix file archive"
    ]
  },
  "C++": {
    "descriptions": [
      "C++ language source"
    ]
  },
  "C--": {
    "descriptions": [
      "C-- language source"
    ]
  },
  "C00": {
    "descriptions": [
      "Print file"
    ]
  },
  "C01": {
    "descriptions": [
      "Typhoon wave files"
    ]
  },
  "C32": {
    "descriptions": [
      "COMBOOT Executable (32-bit)"
    ]
  },
  "C86": {
    "descriptions": [
      "C source code file"
    ]
  },
  "CA": {
    "descriptions": [
      "Initial cache data for root domain servers"
    ]
  },
  "CA?": {
    "descriptions": [
      "Borland packed and split file"
    ]
  },
  "CAB": {
    "descriptions": [
      "Cabinet archive"
    ]
  },
  "CAC": {
    "descriptions": [
      "dBASE IV executable when caching on/off (see cachedb.bat)"
    ]
  },
  "CAD": {
    "descriptions": [
      "Drawing",
      "Document"
    ]
  },
  "CAL": {
    "descriptions": [
      "Calendar file",
      "Spreadsheet format"
    ]
  },
  "CALS": {
    "descriptions": [
      "Computer Aided Acquisition and Logistics",
      "Support Raster Format"
    ]
  },
  "CAM": {
    "descriptions": [
      "Casio Camera"
    ]
  },
  "CAN": {
    "descriptions": [
      "Fax"
    ]
  },
  "CAP": {
    "descriptions": [
      "Caption",
      "Capture file"
    ]
  },
  "CAS": {
    "descriptions": [
      "C + ASM language source"
    ]
  },
  "CAT": {
    "descriptions": [
      "Catalog",
      "Device driver digital signature",
      "Stellarium Star Catalogue"
    ]
  },
  "CATDrawing": {
    "descriptions": [
      "Drawing file of CATIA V5"
    ]
  },
  "CATPart": {
    "descriptions": [
      "Part file of CATIA V5"
    ]
  },
  "CATProduct": {
    "descriptions": [
      "Assembly file of CATIA V5"
    ]
  },
  "CATS": {
    "descriptions": [
      "Combined source"
    ]
  },
  "CBA": {
    "descriptions": [
      "Source code"
    ]
  },
  "CBC": {
    "descriptions": [
      "Fuzzy logic system"
    ]
  },
  "CBL": {
    "descriptions": [
      "COBOL source code file"
    ]
  },
  "CBM": {
    "descriptions": [
      "Compiled bitmap graphics"
    ]
  },
  "CBR": {
    "descriptions": [
      "Comic Book Reader (RAR file)"
    ]
  },
  "CBS": {
    "descriptions": [
      "MasterWord button bar configuration file"
    ]
  },
  "CBT": {
    "descriptions": [
      "COMBOOT Executable (incompatible with DOS COM files)",
      "Computer Based Training"
    ]
  },
  "CBZ": {
    "descriptions": [
      "Comic Book Reader (ZIP file)"
    ]
  },
  "CC": {
    "descriptions": [
      "C++ source code file",
      "CC language source"
    ]
  },
  "CCC": {
    "descriptions": [
      "Bitmap graphics (native format)"
    ]
  },
  "CCD": {
    "descriptions": [
      "text metadata for CD/DVD images"
    ]
  },
  "CCF": {
    "descriptions": [
      "Communications configuration file",
      "Color Chat file"
    ]
  },
  "CCH": {
    "descriptions": [
      "Chart"
    ]
  },
  "CCITT": {
    "descriptions": [
      "CCITT Group 3 and Group 4 Encoding"
    ]
  },
  "CCL": {
    "descriptions": [
      "Communication Command Language file"
    ]
  },
  "CCO": {
    "descriptions": [
      "BTX Graphics file"
    ]
  },
  "CCT": {
    "descriptions": [
      "Print Template"
    ]
  },
  "CD": {
    "descriptions": [
      "CD description"
    ]
  },
  "CDA": {
    "descriptions": [
      "CD-Audio"
    ]
  },
  "CDB": {
    "descriptions": [
      "Card database",
      "Main database"
    ]
  },
  "CDF": {
    "descriptions": [
      "Common Data Format",
      "Company Data File",
      "Computable Document Format",
      "Cyberspace Description Format",
      "Graphics"
    ]
  },
  "CDK": {
    "descriptions": [
      "Document"
    ]
  },
  "CDL": {
    "descriptions": [
      "CADKey CADL Language"
    ]
  },
  "CDM": {
    "descriptions": [
      "Disk Drivers NPA",
      "Music format (compressed)"
    ]
  },
  "CDO": {
    "descriptions": [
      "Music notation"
    ]
  },
  "CDR": {
    "descriptions": [
      "Vector graphics format (drawing)"
    ]
  },
  "CDT": {
    "descriptions": [
      "Corel Draw Template File"
    ]
  },
  "CDX": {
    "descriptions": [
      "Compound index file"
    ]
  },
  "CE": {
    "descriptions": [
      "Computer Eyes",
      "Main.ce"
    ]
  },
  "CEB": {
    "descriptions": [
      "Cont. Edge Bitmap"
    ]
  },
  "CEF": {
    "descriptions": [
      "CA-Clipper Workbench Application",
      "Export File",
      "Compact Embedded Font"
    ]
  },
  "CEG": {
    "descriptions": [
      "Bitmap graphics"
    ]
  },
  "CEL": {
    "descriptions": [
      "Animation CEL",
      "Graphics",
      "Celestia Script"
    ]
  },
  "CELX": {
    "descriptions": [
      "Celestia Script"
    ]
  },
  "CER": {
    "descriptions": [
      "Security certificate"
    ]
  },
  "CF": {
    "descriptions": [
      "Configuration file"
    ]
  },
  "CFA": {
    "descriptions": [
      "Audio file"
    ]
  },
  "CFC": {
    "descriptions": [
      "ColdFusion Component"
    ]
  },
  "CFG": {
    "descriptions": [
      "Configuration file"
    ]
  },
  "CFL": {
    "descriptions": [
      "Chart"
    ]
  },
  "CFM": {
    "descriptions": [
      "ColdFusion Markup Language"
    ]
  },
  "CFN": {
    "descriptions": [
      "Font data"
    ]
  },
  "CFO": {
    "descriptions": [
      "C Form Object internal format object file"
    ]
  },
  "CFP": {
    "descriptions": [
      "Fax"
    ]
  },
  "CFT": {
    "descriptions": [
      "CFast graphics file"
    ]
  },
  "CGA": {
    "descriptions": [
      "CGA display font"
    ]
  },
  "CGI": {
    "descriptions": [
      "Common Gateway Interface script"
    ]
  },
  "CGM": {
    "descriptions": [
      "Computer Graphics Metafile vector graphics"
    ]
  },
  "CH": {
    "descriptions": [
      "Clipper language header"
    ]
  },
  "CH3": {
    "descriptions": [
      "Chart"
    ]
  },
  "CH4": {
    "descriptions": [
      "Presentation"
    ]
  },
  "CHD": {
    "descriptions": [
      "Font descriptor"
    ]
  },
  "CHI": {
    "descriptions": [
      "ChiWriter Document"
    ]
  },
  "CHK": {
    "descriptions": [
      "Recovered data",
      "Temporary file"
    ]
  },
  "CHL": {
    "descriptions": [
      "Configuration History Log"
    ]
  },
  "CHM": {
    "descriptions": [
      "Compiled Help File"
    ]
  },
  "CHML": {
    "descriptions": [
      "Encrypted Data File"
    ]
  },
  "CHN": {
    "descriptions": [
      "Data"
    ]
  },
  "CHO": {
    "descriptions": [
      "ChordPro lead sheet (lyrics and chords)"
    ]
  },
  "CHP": {
    "descriptions": [
      "Chapter file"
    ]
  },
  "CHR": {
    "descriptions": [
      "Character set"
    ]
  },
  "CHT": {
    "descriptions": [
      "Chart",
      "CHeaT in any program/game",
      "Interface file for ChartMaster"
    ]
  },
  "CHZ": {
    "descriptions": [
      "Archive"
    ]
  },
  "CIA": {
    "descriptions": [
      "Nintendo 3DS importable archive"
    ]
  },
  "CIF": {
    "descriptions": [
      "Caltech Intermediate Format graphics file",
      "Chapter information",
      "Crystallographic Information File"
    ]
  },
  "CIX": {
    "descriptions": [
      "Database index"
    ]
  },
  "CKB": {
    "descriptions": [
      "Borland C++ 4.x editor keystroke mapping"
    ]
  },
  "CL": {
    "descriptions": [
      "OpenCL kernel code",
      "COMMON LISP source code file"
    ]
  },
  "CLA": {
    "descriptions": [
      "Source"
    ]
  },
  "CLASS": {
    "descriptions": [
      "Java class file"
    ]
  },
  "CLD": {
    "descriptions": [
      "Clipper debugger configuration file"
    ]
  },
  "CLJ": {
    "descriptions": [
      "Clojure source code"
    ]
  },
  "CLP": {
    "descriptions": [
      "Clip art graphics file",
      "Clipboard file",
      "Compiler response file",
      "Graphics format"
    ]
  },
  "CLPI": {
    "descriptions": [
      "ClipAV Clip Information file for Blu-ray"
    ]
  },
  "CLPRJ": {
    "descriptions": [
      "ClassicLadder project file"
    ]
  },
  "CLR": {
    "descriptions": [
      "Color binary screen image",
      "Color definitions",
      "Color scheme",
      "Palette file for GIS format"
    ]
  },
  "CLS": {
    "descriptions": [
      "C++ class definition file"
    ]
  },
  "CLW": {
    "descriptions": [
      "MFC Class Wizard information"
    ]
  },
  "CM": {
    "descriptions": [
      "Data file"
    ]
  },
  "CMB": {
    "descriptions": [
      "Xtree for Windows Button Bar file"
    ]
  },
  "CMD": {
    "descriptions": [
      "Command",
      "Command Prompt batch file",
      "executable programs",
      "External command menu",
      "OS/2 batch/REXX file"
    ]
  },
  "CMF": {
    "descriptions": [
      "FM-music file (Creative Music File)"
    ]
  },
  "CMK": {
    "descriptions": [
      "Card"
    ]
  },
  "CMM": {
    "descriptions": [
      "CMM script (batch) file"
    ]
  },
  "CMOD": {
    "descriptions": [
      "Celestia Model"
    ]
  },
  "CMP": {
    "descriptions": [
      "Bitmap graphics (Lead CMP compression)",
      "Compressed data",
      "Header file for PostScript printer files",
      "Photofinish Calibration Map",
      "User dictionary"
    ]
  },
  "CMR": {
    "descriptions": [
      "Coach 7 project file"
    ]
  },
  "CMRL": {
    "descriptions": [
      "Concise message routing language"
    ]
  },
  "CMS": {
    "descriptions": [
      "Content Management System"
    ]
  },
  "CMU": {
    "descriptions": [
      "Carnegie Mellon University Formats"
    ]
  },
  "CMV": {
    "descriptions": [
      "Animation (CorelMove CorelDraw 4.0)"
    ]
  },
  "CNC": {
    "descriptions": [
      "CNC general program data"
    ]
  },
  "CND": {
    "descriptions": [
      "System generation conditional file"
    ]
  },
  "CNF": {
    "descriptions": [
      "Configuration (program - printer setup)",
      "Configuration file"
    ]
  },
  "CNT": {
    "descriptions": [
      "contents table of old Windows Help file"
    ]
  },
  "CNV": {
    "descriptions": [
      "Temporary file",
      "Winword DLL used as part of an import operation (CNV=converter)"
    ]
  },
  "CO": {
    "descriptions": [
      "Cobalt - parametric drafting and 3D modeling"
    ]
  },
  "COB": {
    "descriptions": [
      "Calgari trueSpace2 File Format",
      "COBOL source code file"
    ]
  },
  "COD": {
    "descriptions": [
      "Code definition table",
      "Datafile",
      "file including CODES for any program/game",
      "Printer code definition file",
      "Program compiled code",
      "Template source file",
      "Videotext file"
    ]
  },
  "COE": {
    "descriptions": [
      "Coefficient file"
    ]
  },
  "COF": {
    "descriptions": [
      "Animation Control File"
    ]
  },
  "COFFEE": {
    "descriptions": [
      "CoffeeScript source code file"
    ]
  },
  "COL": {
    "descriptions": [
      "Color palette",
      "Spreadsheet",
      "DIMACS graph data stores a single undirected graph (text and binary variants)"
    ]
  },
  "COM": {
    "descriptions": [
      "Command (memory image of executable program)",
      "Indirect command file (sequence of commands to be executed)"
    ]
  },
  "CON": {
    "descriptions": [
      "Configuration file",
      "MSTS Consist file"
    ]
  },
  "CONTACT": {
    "descriptions": [
      "Contact file"
    ]
  },
  "CPC": {
    "descriptions": [
      "Compressed image"
    ]
  },
  "CPD": {
    "descriptions": [
      "Script"
    ]
  },
  "CPF": {
    "descriptions": [
      "Fax"
    ]
  },
  "CPI": {
    "descriptions": [
      "ColorLab Processed Image bitmapped graphics file",
      "MS-DOS codepage file",
      "Video clip information file"
    ]
  },
  "CPL": {
    "descriptions": [
      "Control panel file",
      "copley file",
      "Presentation"
    ]
  },
  "CPMZ": {
    "descriptions": [
      "ConPro/Miradi Zipfile"
    ]
  },
  "CPP": {
    "descriptions": [
      "C++ language source",
      "Presentation"
    ]
  },
  "CPR": {
    "descriptions": [
      "Knowledge Access",
      "Cubase Project File"
    ]
  },
  "CPS": {
    "descriptions": [
      "backup of startup files by QEMM (?) autoexec.cps"
    ]
  },
  "CPT": {
    "descriptions": [
      "Encrypted memo file",
      "Mac file archive",
      "Template"
    ]
  },
  "CPZ": {
    "descriptions": [
      "Music text file"
    ]
  },
  "CR2": {
    "descriptions": [
      "Raw image format"
    ]
  },
  "CRA": {
    "descriptions": [
      "Advanced crack file (usually text)"
    ]
  },
  "CRD": {
    "descriptions": [
      "Cardfile",
      "Map",
      "Molecular coordinates"
    ]
  },
  "CRDOWNLOAD": {
    "descriptions": [
      "Google Chrome download in progress"
    ]
  },
  "CRF": {
    "descriptions": [
      "Cross-reference"
    ]
  },
  "CRK": {
    "descriptions": [
      "Crack file (usually text)"
    ]
  },
  "CRP": {
    "descriptions": [
      "Encrypted database"
    ]
  },
  "CRS": {
    "descriptions": [
      "File Conversion Resource"
    ]
  },
  "CRT": {
    "descriptions": [
      "Security certificate",
      "Terminal settings information"
    ]
  },
  "CRU": {
    "descriptions": [
      "Compressed file archive created by CRUSH"
    ]
  },
  "CRW": {
    "descriptions": [
      "CrossWords document file"
    ]
  },
  "CRX": {
    "descriptions": [
      "Google Chrome Extension"
    ]
  },
  "CS": {
    "descriptions": [
      "C# source file"
    ]
  },
  "CSD": {
    "descriptions": [
      "Compact Shared Document"
    ]
  },
  "CSG": {
    "descriptions": [
      "Batch file (Submit)",
      "Graph"
    ]
  },
  "CSHTML": {
    "descriptions": [
      "Razor page/view"
    ]
  },
  "CSM": {
    "descriptions": [
      "Borland C++ 4.x precompiled header file"
    ]
  },
  "CSO": {
    "descriptions": [
      "ACDSee edit tool"
    ]
  },
  "CSP": {
    "descriptions": [
      "PC Emcee Screen Image file"
    ]
  },
  "CSS": {
    "descriptions": [
      "Datafile",
      "Datasheet",
      "cascading style sheet"
    ]
  },
  "CSV": {
    "descriptions": [
      "Adjusted EGA/VGA palette",
      "Comma Separated Values text file format (ASCII)"
    ]
  },
  "CTC": {
    "descriptions": [
      "Control file"
    ]
  },
  "CTF": {
    "descriptions": [
      "Character code translation file"
    ]
  },
  "CTK": {
    "descriptions": [
      "CommonTime Key file"
    ]
  },
  "CTL": {
    "descriptions": [
      "Control file",
      "BATCH control file (generated by BATCH from .BAT file)"
    ]
  },
  "CTT": {
    "descriptions": [
      "BATCH Temporary file"
    ]
  },
  "CTX": {
    "descriptions": [
      "Ciphertext file",
      "Course TeXt file",
      "document"
    ]
  },
  "CUE": {
    "descriptions": [
      "Cue sheet"
    ]
  },
  "CUF": {
    "descriptions": [
      "C Utilities Form definition"
    ]
  },
  "CUR": {
    "descriptions": [
      "Windows resource (cursor image file)"
    ]
  },
  "CUT": {
    "descriptions": [
      "Graphics format (bitmapped graphics)"
    ]
  },
  "CV4": {
    "descriptions": [
      "Color file"
    ]
  },
  "CVP": {
    "descriptions": [
      "Cover page"
    ]
  },
  "CVS": {
    "descriptions": [
      "Graphics"
    ]
  },
  "CVT": {
    "descriptions": [
      "Backup file for CONVERTed database file"
    ]
  },
  "CVW": {
    "descriptions": [
      "Color file"
    ]
  },
  "CW": {
    "descriptions": [
      "Circuit Wizard Document"
    ]
  },
  "CWEB": {
    "descriptions": [
      "C Web"
    ]
  },
  "CWK": {
    "descriptions": [
      "Datafile"
    ]
  },
  "CXX": {
    "descriptions": [
      "C++ source code file"
    ]
  },
  "CYS": {
    "descriptions": [
      "Cytoscape session file"
    ]
  },
  "CiM": {
    "descriptions": [
      "C Text Mode Image File"
    ]
  },
  "D": {
    "descriptions": [
      "D Programming Language source file",
      "Directory containing configuration files (informal standard)"
    ]
  },
  "D3V": {
    "descriptions": [
      "Video file"
    ]
  },
  "D4D": {
    "descriptions": [
      "Data"
    ]
  },
  "D4P": {
    "descriptions": [
      "Data"
    ]
  },
  "D64": {
    "descriptions": [
      "Commodore 64 disk image"
    ]
  },
  "D88": {
    "descriptions": [
      "Toshiba Pasopeia D88 disk image format"
    ]
  },
  "DAA": {
    "descriptions": [
      "Direct Access Archive"
    ]
  },
  "DAE": {
    "descriptions": [
      "COLLADA file"
    ]
  },
  "DAF": {
    "descriptions": [
      "Data file"
    ]
  },
  "DAT": {
    "descriptions": [
      "AMPL data file",
      "Maxum chromatograph chromatogram",
      "LDraw (Sub)Part File, 3D Model",
      "Document",
      "data",
      "Data file in special format or ASCII",
      "Database file",
      "Norton Utilities disc image data. It saves Boot sector, part of FAT and root directory in image.DAT on same drive.",
      "Optical disc image (can be ISO9660, but not restricted to)",
      "Video CD MPEG stream",
      "Windows registry hive (REG.DAT Windows 3.11; USER.DAT and SYSTEM.DAT Windows 95, 98, and ME; NTUSER.DAT Windows NT/2000/XP/7)",
      "Minecraft game data"
    ]
  },
  "DATS": {
    "descriptions": [
      "Dynamic source"
    ]
  },
  "DAV": {
    "descriptions": [
      "Proprietary DVR format"
    ]
  },
  "DB": {
    "descriptions": [
      "Database file",
      "Configuration",
      "Multi Edit config"
    ]
  },
  "DB$": {
    "descriptions": [
      "Temperature debug info",
      "Temporary file"
    ]
  },
  "DB2": {
    "descriptions": [
      "Database"
    ]
  },
  "DB3": {
    "descriptions": [
      "Database"
    ]
  },
  "DBA": {
    "descriptions": [
      "Database file",
      "DarkBasic source code"
    ]
  },
  "DBC": {
    "descriptions": [
      "DataBaseContainer"
    ]
  },
  "DBD": {
    "descriptions": [
      "Business data",
      "Debug info"
    ]
  },
  "DBF": {
    "descriptions": [
      "Database file"
    ]
  },
  "DBFX": {
    "descriptions": [
      "DevBox Database File"
    ]
  },
  "DBG": {
    "descriptions": [
      "Debugger script",
      "Symbolic debugging information"
    ]
  },
  "DBK": {
    "descriptions": [
      "Database backup"
    ]
  },
  "DBL": {
    "descriptions": [
      "DIBOL source file",
      "Design Block file"
    ]
  },
  "DBM": {
    "descriptions": [
      "Datafile",
      "Menu template"
    ]
  },
  "DBO": {
    "descriptions": [
      "Compiled program"
    ]
  },
  "DBPro": {
    "descriptions": [
      "DarkBasicPro Project"
    ]
  },
  "DBS": {
    "descriptions": [
      "Data file used by Managing Your Money",
      "Database in SQL Windows format",
      "Datafile",
      "Printer description file"
    ]
  },
  "DBT": {
    "descriptions": [
      "FoxBASE+ style memo",
      "Memo file for database w/same name"
    ]
  },
  "DBW": {
    "descriptions": [
      "Windows file"
    ]
  },
  "DBX": {
    "descriptions": [
      "DataBeam",
      "AutoCAD Database",
      "Archive File"
    ]
  },
  "DC": {
    "descriptions": [
      "CAD drawing file"
    ]
  },
  "DC6": {
    "descriptions": [
      "Image file"
    ]
  },
  "DCA": {
    "descriptions": [
      "Document Content Architecture text file"
    ]
  },
  "DCC": {
    "descriptions": [
      "Animation"
    ]
  },
  "DCD": {
    "descriptions": [
      "CAD Drawing File"
    ]
  },
  "DCF": {
    "descriptions": [
      "floppy disk image"
    ]
  },
  "DCH": {
    "descriptions": [
      "Schematic Drawing file"
    ]
  },
  "DCI": {
    "descriptions": [
      "Dreamcast Save File"
    ]
  },
  "DCL": {
    "descriptions": [
      "Delphi Control Library"
    ]
  },
  "DCM": {
    "descriptions": [
      "DCM music module"
    ]
  },
  "DCP": {
    "descriptions": [
      "OS/2 device code page"
    ]
  },
  "DCS": {
    "descriptions": [
      "Bitmap graphics (CYMK format)",
      "Datafile"
    ]
  },
  "DCT": {
    "descriptions": [
      "Dictionary: used by many programs with program dependent format",
      "Spell checking dictionary",
      "DataBaseContainer Extension"
    ]
  },
  "DCU": {
    "descriptions": [
      "Delphi unit (compiled)"
    ]
  },
  "DCW": {
    "descriptions": [
      "Walter Machine Programing"
    ]
  },
  "DCX": {
    "descriptions": [
      "Multi-page PCX graphics (common fax format)",
      "DataBaseContainer Index"
    ]
  },
  "DD": {
    "descriptions": [
      "Macintosh file archive"
    ]
  },
  "DDA": {
    "descriptions": [
      "Data"
    ]
  },
  "DDB": {
    "descriptions": [
      "Bitmap graphics",
      "Digidesign Database File"
    ]
  },
  "DDD": {
    "descriptions": [
      "Building Diagram"
    ]
  },
  "DDI": {
    "descriptions": [
      "Disk image"
    ]
  },
  "DDP": {
    "descriptions": [
      "Device Driver Profile file"
    ]
  },
  "DDS": {
    "descriptions": [
      "DirectDraw Surface file"
    ]
  },
  "DEB": {
    "descriptions": [
      "Unix archive file (software package format)",
      "DEBUG script"
    ]
  },
  "DEF": {
    "descriptions": [
      "Assembly header file",
      "Defaults - definitions",
      "Linker definition file"
    ]
  },
  "DEM": {
    "descriptions": [
      "Demonstration",
      "Digital Elevation Model",
      "Graphics file",
      "Vista DEM file"
    ]
  },
  "DER": {
    "descriptions": [
      "Security certificate"
    ]
  },
  "DES": {
    "descriptions": [
      "Ascii text parameter description"
    ]
  },
  "DESKLINK": {
    "descriptions": [
      "Windows Explorer Desktop Control (commonly \"Desktop (create shortcut).DESKLINK\", 0 bytes). Uses a 'special' hidden file extension (NeverShowExt flag inside the Registry), overriding the Windows Explorer option of showing/hiding file extensions."
    ]
  },
  "DEV": {
    "descriptions": [
      "Device driver",
      "SYSGEN handler build procedure",
      "Dev-C++ project file"
    ]
  },
  "DEX": {
    "descriptions": [
      "Dalvik executable"
    ]
  },
  "DFD": {
    "descriptions": [
      "Data Flow Diagram graphic file"
    ]
  },
  "DFF": {
    "descriptions": [
      "RenderWare model data (e.g. Grand Theft Auto III and later)"
    ]
  },
  "DFI": {
    "descriptions": [
      "Outline font description"
    ]
  },
  "DFL": {
    "descriptions": [
      "Default program settings"
    ]
  },
  "DFM": {
    "descriptions": [
      "Data Flow Diagram model file",
      "Delphi form module"
    ]
  },
  "DFS": {
    "descriptions": [
      "Delight Sound File"
    ]
  },
  "DFTI": {
    "descriptions": [
      "Dynamic Formatted Text and Images (Word Processing)"
    ]
  },
  "DFV": {
    "descriptions": [
      "Printing form (Word)"
    ]
  },
  "DFX": {
    "descriptions": [
      "Micrografx Effects DLL"
    ]
  },
  "DGN": {
    "descriptions": [
      "Graphics file"
    ]
  },
  "DGS": {
    "descriptions": [
      "Diagnostics"
    ]
  },
  "DH": {
    "descriptions": [
      "Dependency information for .ph"
    ]
  },
  "DHP": {
    "descriptions": [
      "Dr. Halo PIC Format graphics file"
    ]
  },
  "DHT": {
    "descriptions": [
      "Datafile"
    ]
  },
  "DI": {
    "descriptions": [
      "D Programming Language interface file"
    ]
  },
  "DIA": {
    "descriptions": [
      "Diagraph graphics file"
    ]
  },
  "DIB": {
    "descriptions": [
      "Device Independent Bitmap"
    ]
  },
  "DIC": {
    "descriptions": [
      "Dictionary (e.g. from WinWord)"
    ]
  },
  "DICOM": {
    "descriptions": [
      "Digital Imaging and Communications in Medicine (DICOM) bitmap"
    ]
  },
  "DIF": {
    "descriptions": [
      "Borland patch data file",
      "Data Interchange Format",
      "OS/2 V2.2 Display Information File",
      "Output from Diff command - script for Patch command",
      "SRCCOM, BINCOM output file"
    ]
  },
  "DIG": {
    "descriptions": [
      "Digilink",
      "Sound Designer 1 audio file"
    ]
  },
  "DIP": {
    "descriptions": [
      "Graphics",
      "Watcom debug info processor",
      "PCB Drawing file"
    ]
  },
  "DIR": {
    "descriptions": [
      "Dialing directory file",
      "Directory file",
      "Movie",
      "Directory listing file"
    ]
  },
  "DIRED": {
    "descriptions": [
      "Directory listing (ls format)"
    ]
  },
  "DIS": {
    "descriptions": [
      "Distribution file",
      "Thesaurus"
    ]
  },
  "DIZ": {
    "descriptions": [
      "Description file (Description In Zip)"
    ]
  },
  "DJVU": {
    "descriptions": [
      "DJVU Document Format, a format similar to PDF but with higher compression rates at the same quality."
    ]
  },
  "DKB": {
    "descriptions": [
      "Raytraced graphics"
    ]
  },
  "DL": {
    "descriptions": [
      "Animation format (Italian origin)"
    ]
  },
  "DLC": {
    "descriptions": [
      "JDownloader Link Container"
    ]
  },
  "DLD": {
    "descriptions": [
      ""
    ]
  },
  "DLF": {
    "descriptions": [
      "Dialogue Live Format"
    ]
  },
  "DLG": {
    "descriptions": [
      "Dialog resource script file",
      "Dialog resources",
      "Windows SDK dialog editor data file",
      "Windows SDK dialog editor data file"
    ]
  },
  "DLL": {
    "descriptions": [
      "Dynamic-link library",
      "Export/import filter"
    ]
  },
  "DLM": {
    "descriptions": [
      "Microsoft File Transfer Manager"
    ]
  },
  "DLP": {
    "descriptions": [
      "Data"
    ]
  },
  "DLS": {
    "descriptions": [
      "Setup"
    ]
  },
  "DMF": {
    "descriptions": [
      "Music format (Delusion Digital Music File)",
      "DeleD files"
    ]
  },
  "DMG": {
    "descriptions": [
      "Apple Disk Image"
    ]
  },
  "DMO": {
    "descriptions": [
      "Demo"
    ]
  },
  "DMP": {
    "descriptions": [
      "Dump file (e.g. screen or memory)",
      "DUMP utility output file"
    ]
  },
  "DMS": {
    "descriptions": [
      "Amiga file archive"
    ]
  },
  "DN": {
    "descriptions": [
      "3D file"
    ]
  },
  "DNG": {
    "descriptions": [
      "Digital Negative (DNG), a publicly available archival format for the raw files generated by digital cameras"
    ]
  },
  "DNT": {
    "descriptions": [
      "data"
    ]
  },
  "DO": {
    "descriptions": [
      "Java servlet file"
    ]
  },
  "DOC": {
    "descriptions": [
      "A Document, or an ASCII text file with text formatting codes in with the text; used by many word processors"
    ]
  },
  "DOCM": {
    "descriptions": [
      "Microsoft Word 2007 Master document"
    ]
  },
  "DOCX": {
    "descriptions": [
      "Office Open XML Text document"
    ]
  },
  "DOF": {
    "descriptions": [
      "Delphi project options file"
    ]
  },
  "DOG": {
    "descriptions": [
      "Screen file"
    ]
  },
  "DOH": {
    "descriptions": [
      "Dependency information for .poh"
    ]
  },
  "DOL": {
    "descriptions": [
      "Nintendo Wii and GameCube proprietary executable format"
    ]
  },
  "DOR": {
    "descriptions": [
      "Roland Digital audio file"
    ]
  },
  "DOS": {
    "descriptions": [
      "External command file",
      "Network driver (e.g. pkt_dis.dos)",
      "OS/2 V3 SVGA PMI-File",
      "renamed system files (AUTOEXEC.BAT, COMMAND.COM, CONFIG.SYS,DBLSPACE.BIN, DRVSPACE.BIN, IO.SYS, MSDOS.SYS) of previous MS-DOS version",
      "Text file containing DOS specific info"
    ]
  },
  "DOT": {
    "descriptions": [
      "Line-type definition file",
      "Microsoft Word document template"
    ]
  },
  "DOTX": {
    "descriptions": [
      "Office Open XML Text document template"
    ]
  },
  "DOX": {
    "descriptions": [
      "Text file"
    ]
  },
  "DOZ": {
    "descriptions": [
      "Description Out of Zip"
    ]
  },
  "DP": {
    "descriptions": [
      "Calendar file",
      "Data file"
    ]
  },
  "DPF": {
    "descriptions": [
      "Bareboard PCB CAD/CAM format",
      "Debrief Plot File"
    ]
  },
  "DPR": {
    "descriptions": [
      "Default project- and state-related information"
    ]
  },
  "DPX": {
    "descriptions": [
      "Digital Moving Picture Exchange"
    ]
  },
  "DRP": {
    "descriptions": [
      "Web3D File"
    ]
  },
  "DRS": {
    "descriptions": [
      "Data Resource File",
      "Display Resource"
    ]
  },
  "DRU": {
    "descriptions": [
      "Design Rules"
    ]
  },
  "DRV": {
    "descriptions": [
      "Driver"
    ]
  },
  "DRW": {
    "descriptions": [
      "Designer vector graphics file"
    ]
  },
  "DS": {
    "descriptions": [
      "TWAIN Data Source"
    ]
  },
  "DS1": {
    "descriptions": [
      "Map file"
    ]
  },
  "DS4": {
    "descriptions": [
      "Vector graphics"
    ]
  },
  "DSC": {
    "descriptions": [
      "Celestia Deep Space Catalog file",
      "Description file",
      "Discard file"
    ]
  },
  "DSD": {
    "descriptions": [
      "Database"
    ]
  },
  "DSF": {
    "descriptions": [
      "Data Storage Format",
      "Delusion Digital Sound File"
    ]
  },
  "DSK": {
    "descriptions": [
      "Desktop configuration",
      "Disk Drivers",
      "Logical disk file"
    ]
  },
  "DSM": {
    "descriptions": [
      "Digital Sound Module"
    ]
  },
  "DSN": {
    "descriptions": [
      "Design"
    ]
  },
  "DSP": {
    "descriptions": [
      "Display parameters",
      "Dynamic Studio Professional Module",
      "Graphics display driver",
      "Norton viewer DLL",
      "Visual Studio 6 project file"
    ]
  },
  "DSR": {
    "descriptions": [
      "Driver Resource"
    ]
  },
  "DSS": {
    "descriptions": [
      "Screensaver file",
      "Digital Speech Standard (Sound)",
      "SQL Script for .Time Framework"
    ]
  },
  "DST": {
    "descriptions": [
      "Tajima Embroidery Format",
      "WAIN (Scanner spec) data source DLL"
    ]
  },
  "DSV": {
    "descriptions": [
      "Nintendo DS battery save"
    ]
  },
  "DSW": {
    "descriptions": [
      "Borland C++ 4.x desktop layout file"
    ]
  },
  "DSY": {
    "descriptions": [
      "DAISY container file"
    ]
  },
  "DT1": {
    "descriptions": [
      "Tile file"
    ]
  },
  "DT2": {
    "descriptions": [
      "msn-emoticon"
    ]
  },
  "DTA": {
    "descriptions": [
      "Data file"
    ]
  },
  "DTB": {
    "descriptions": [
      "Database Backup for .Time Framework"
    ]
  },
  "DTD": {
    "descriptions": [
      "Document Type Definition"
    ]
  },
  "DTF": {
    "descriptions": [
      "Database file"
    ]
  },
  "DTL": {
    "descriptions": [
      "Django template language"
    ]
  },
  "DTM": {
    "descriptions": [
      "DigiTrekker music module"
    ]
  },
  "DTO": {
    "descriptions": [
      "data"
    ]
  },
  "DTP": {
    "descriptions": [
      "Desk Top Publishing Document",
      "Page Magic 2.0 publication",
      "Publication"
    ]
  },
  "DTS": {
    "descriptions": [
      "Torque Game Engine model format",
      "Device tree source file"
    ]
  },
  "DTSI": {
    "descriptions": [
      "Device tree include file"
    ]
  },
  "DT_": {
    "descriptions": [
      "Data fork of a Macintosh file"
    ]
  },
  "DVC": {
    "descriptions": [
      "Data"
    ]
  },
  "DVDPROJ": {
    "descriptions": [
      "iDVD project file"
    ]
  },
  "DVI": {
    "descriptions": [
      "DeVice Independent document"
    ]
  },
  "DVP": {
    "descriptions": [
      "DESQView run-file",
      "Device parameter file"
    ]
  },
  "DW2": {
    "descriptions": [
      "Drawing"
    ]
  },
  "DWB": {
    "descriptions": [
      "Coryphaeus Software Designers Workbench"
    ]
  },
  "DWC": {
    "descriptions": [
      "Archive"
    ]
  },
  "DWD": {
    "descriptions": [
      "DiamondWare Digitized file"
    ]
  },
  "DWF": {
    "descriptions": [
      "Autodesk Design Web Format"
    ]
  },
  "DWG": {
    "descriptions": [
      "Drawing"
    ]
  },
  "DWZ": {
    "descriptions": [
      "DVD MovieFactory for TOSHIBA Project File, Designer vector graphics file"
    ]
  },
  "DX": {
    "descriptions": [
      "Text file"
    ]
  },
  "DXF": {
    "descriptions": [
      "Dialogue Exchange Format",
      "Drawing Interchange File Format vector graphics"
    ]
  },
  "DXN": {
    "descriptions": [
      "Fax"
    ]
  },
  "DXP": {
    "descriptions": [
      "SpotFire data",
      "ISO creation project file"
    ]
  },
  "DYLIB": {
    "descriptions": [
      "Dynamic Library"
    ]
  },
  "DYN": {
    "descriptions": [
      "Data"
    ]
  },
  "E": {
    "descriptions": [
      "E language source code"
    ]
  },
  "E##": {
    "descriptions": [
      "EnCase Evidence File chunk"
    ]
  },
  "E00": {
    "descriptions": [
      "ArcInfo interchange file"
    ]
  },
  "E2D": {
    "descriptions": [
      "2-dimensional vector graphics file"
    ]
  },
  "EAR": {
    "descriptions": [
      "Enterprise archive"
    ]
  },
  "EAS": {
    "descriptions": [
      "Extended file attributes"
    ]
  },
  "EBA": {
    "descriptions": [
      "Source code"
    ]
  },
  "EBD": {
    "descriptions": [
      "versions of DOS system files (AUTOEXEC.BAT, COMMAND.COM, CONFIG.SYS, WINBOOT.SYS, etc. ) for an emergency boot disk"
    ]
  },
  "EBJ": {
    "descriptions": [
      "Error-checking object file"
    ]
  },
  "EBQ": {
    "descriptions": [
      "CITE standard electronic BQ exchange file"
    ]
  },
  "EC": {
    "descriptions": [
      "Error checking preprosessed Goc source code",
      "Source code"
    ]
  },
  "ECC": {
    "descriptions": [
      "Error-checking file"
    ]
  },
  "ECE": {
    "descriptions": [
      "Escenic Contenting Engine dynamic page"
    ]
  },
  "ECMS": {
    "descriptions": [
      "Status document"
    ]
  },
  "ECMT": {
    "descriptions": [
      "Template document / Session"
    ]
  },
  "ED5": {
    "descriptions": [
      "EDMICS"
    ]
  },
  "EDA": {
    "descriptions": [
      "Ensoniq ASR disk image"
    ]
  },
  "EDE": {
    "descriptions": [
      "Ensoniq EPS disk image"
    ]
  },
  "EDF": {
    "descriptions": [
      "European data format",
      "Exchequer Document Format"
    ]
  },
  "EDK": {
    "descriptions": [
      "Ensoniq KT disk image"
    ]
  },
  "EDL": {
    "descriptions": [
      "EDL"
    ]
  },
  "EDQ": {
    "descriptions": [
      "Ensoniq sq1,2/ks32 disk image"
    ]
  },
  "EDS": {
    "descriptions": [
      "Ensoniq SQ80 disk image"
    ]
  },
  "EDT": {
    "descriptions": [
      "Default settings",
      "Ensoniq TS disk image",
      "External editors definitions"
    ]
  },
  "EDV": {
    "descriptions": [
      "Ensoniq VFX-SD disk image"
    ]
  },
  "EEB": {
    "descriptions": [
      "Button bar for Equation Editor"
    ]
  },
  "EFA": {
    "descriptions": [
      "Ensoniq ASR file",
      "Encrypted File Archive"
    ]
  },
  "EFE": {
    "descriptions": [
      "Ensoniq EPS file",
      "Ensoniq EPS instrument file"
    ]
  },
  "EFK": {
    "descriptions": [
      "Ensoniq KT file"
    ]
  },
  "EFQ": {
    "descriptions": [
      "Ensoniq SQ1/SQ2/KS32 file"
    ]
  },
  "EFS": {
    "descriptions": [
      "Ensoniq SQ80 file"
    ]
  },
  "EFT": {
    "descriptions": [
      "Ensoniq TS file",
      "High resolution screen font"
    ]
  },
  "EFV": {
    "descriptions": [
      "Ensoniq VFX-SD file"
    ]
  },
  "EFX": {
    "descriptions": [
      "Fax"
    ]
  },
  "EGA": {
    "descriptions": [
      "EGA display font"
    ]
  },
  "EIS": {
    "descriptions": [
      "EIS Spectrum Analyser Project"
    ]
  },
  "EKA": {
    "descriptions": [
      "Internal data files"
    ]
  },
  "EL": {
    "descriptions": [
      "Emacs Lisp source code file"
    ]
  },
  "ELB": {
    "descriptions": [
      "Synergy/DE library"
    ]
  },
  "ELC": {
    "descriptions": [
      "Byte-compiled Emacs Lisp code"
    ]
  },
  "ELFO": {
    "descriptions": [
      ""
    ]
  },
  "ELI": {
    "descriptions": [
      "Archive"
    ]
  },
  "ELT": {
    "descriptions": [
      "Event list text file"
    ]
  },
  "EMAIL": {
    "descriptions": [
      "Outlook Express Email Message"
    ]
  },
  "EMAKER": {
    "descriptions": [
      "E language source code (maker)"
    ]
  },
  "EMC": {
    "descriptions": [
      "Striata Reader Encrypted Document Format"
    ]
  },
  "EMD": {
    "descriptions": [
      "ABT Extended MoDule"
    ]
  },
  "EMF": {
    "descriptions": [
      "Microsoft Enhanced Metafile"
    ]
  },
  "EML": {
    "descriptions": [
      "Stationery Template"
    ]
  },
  "EMU": {
    "descriptions": [
      "Terminal emulation data"
    ]
  },
  "EMZ": {
    "descriptions": [
      "Microsoft Enhanced Metafile compressed with ZIP"
    ]
  },
  "ENC": {
    "descriptions": [
      "Encoded file - UUENCODEd file",
      "Music"
    ]
  },
  "END": {
    "descriptions": [
      "Arrow-head definition file"
    ]
  },
  "ENFF": {
    "descriptions": [
      "Extended Neutral File Format"
    ]
  },
  "ENG": {
    "descriptions": [
      "Dictionary engine",
      "English documentation",
      "Graphics file (charting)"
    ]
  },
  "ENV": {
    "descriptions": [
      "Envelope or Environments",
      "Enveloper macro",
      "Environment file"
    ]
  },
  "EOSSA": {
    "descriptions": [
      "Electro-Optic Space Situational Awareness file format"
    ]
  },
  "EOT": {
    "descriptions": [
      "Embedded OpenType"
    ]
  },
  "EP": {
    "descriptions": [
      "GUI wireframe/prototype project"
    ]
  },
  "EPA": {
    "descriptions": [
      "Award BIOS splash screen"
    ]
  },
  "EPD": {
    "descriptions": [
      "Publication"
    ]
  },
  "EPI": {
    "descriptions": [
      "Document",
      "Encapsulated PostScript graphic file"
    ]
  },
  "EPS": {
    "descriptions": [
      "Encapsulated PostScript (Graphics format)"
    ]
  },
  "EPUB": {
    "descriptions": [
      "Electronic Publication - (e-Reader format)"
    ]
  },
  "EQN": {
    "descriptions": [
      "Equation filE"
    ]
  },
  "ERD": {
    "descriptions": [
      "Entity Relationship Diagram graphic file"
    ]
  },
  "ERL": {
    "descriptions": [
      "Erlang source code file"
    ]
  },
  "ERM": {
    "descriptions": [
      "Entity Relationship Diagram model file"
    ]
  },
  "ERR": {
    "descriptions": [
      "Compiler/linker error report"
    ]
  },
  "ESCPCB": {
    "descriptions": [
      "Data file of \"esCAD pcb\", PCB Pattern Layout Design Software"
    ]
  },
  "ESCSCH": {
    "descriptions": [
      "Data file of \"esCAD sch\", Drawing Schematics Diagram Software"
    ]
  },
  "ESD": {
    "descriptions": [
      "Windows Imaging Format"
    ]
  },
  "ESH": {
    "descriptions": [
      "Extended Shell batch file"
    ]
  },
  "ETF": {
    "descriptions": [
      "Encrypted Text File. Used in some security programs."
    ]
  },
  "ETH": {
    "descriptions": [
      "Document"
    ]
  },
  "ETL": {
    "descriptions": [
      "event trace log file"
    ]
  },
  "ETW": {
    "descriptions": [
      "Proprietary format from EnterTech for the MagicSing/Mic Karaoke product line."
    ]
  },
  "ETX": {
    "descriptions": [
      "Structure-enhanced text for some ascii text browsers"
    ]
  },
  "EUI": {
    "descriptions": [
      "Ensoniq EPS family CD image"
    ]
  },
  "EVT": {
    "descriptions": [
      "Events descriptions",
      "Windows Event log file"
    ]
  },
  "EVTX": {
    "descriptions": [
      "Windows Event log file XML structured"
    ]
  },
  "EVY": {
    "descriptions": [
      "Document"
    ]
  },
  "EWD": {
    "descriptions": [
      "Document"
    ]
  },
  "EX": {
    "descriptions": [
      "Elixir source code file"
    ]
  },
  "EX3": {
    "descriptions": [
      "Device driveR"
    ]
  },
  "EXB": {
    "descriptions": [
      "Audio File"
    ]
  },
  "EXC": {
    "descriptions": [
      "Exclude file for Optimize (do not process) (QEMM)",
      "REXX source code file"
    ]
  },
  "EXE": {
    "descriptions": [
      "Directly executable program"
    ]
  },
  "EXF": {
    "descriptions": [
      "Exactal Exchange File",
      "Excute file"
    ]
  },
  "EXM": {
    "descriptions": [
      "MSDOS executable, system-manager compliant (HP calculator)"
    ]
  },
  "EXO": {
    "descriptions": [
      "YouTube executable file"
    ]
  },
  "EXP": {
    "descriptions": [
      "Drawing File format",
      "Melco Embroidery Format",
      "Protected mode EXE by PharLap Software",
      "Exports Library File"
    ]
  },
  "EXS": {
    "descriptions": [
      "Audio File",
      "Elixir script file"
    ]
  },
  "EXT": {
    "descriptions": [
      "Extensions descriptions file"
    ]
  },
  "EXX": {
    "descriptions": [
      "Intermediate file by MsgPut"
    ]
  },
  "EZF": {
    "descriptions": [
      "Fax"
    ]
  },
  "EZW": {
    "descriptions": [
      "easyOFFER document file[13]"
    ]
  },
  "F": {
    "descriptions": [
      "Archive",
      "Forth language source code file",
      "Fortran language source code file (in fixed form)"
    ]
  },
  "F01": {
    "descriptions": [
      "Fax"
    ]
  },
  "F03": {
    "descriptions": [
      "Fortran language source code file (in free form)"
    ]
  },
  "F2R": {
    "descriptions": [
      "Farandole Linear Module"
    ]
  },
  "F3R": {
    "descriptions": [
      "Farandole Blocked Linear Module"
    ]
  },
  "F4": {
    "descriptions": [
      "Fortran IV source code file"
    ]
  },
  "F4A": {
    "descriptions": [
      "Flash Video F4V with only audio (see also SWF)"
    ]
  },
  "F4B": {
    "descriptions": [
      "Flash Video F4V audiobook (see also SWF)"
    ]
  },
  "F4P": {
    "descriptions": [
      "Flash Video F4V with digital rights management (see also SWF)"
    ]
  },
  "F4V": {
    "descriptions": [
      "A container format for Flash Video that differs from the older FLV file format (see also SWF)"
    ]
  },
  "F77": {
    "descriptions": [
      "Fortran language source code file (in fixed form)"
    ]
  },
  "F90": {
    "descriptions": [
      "Fortran language source code file (in free form)"
    ]
  },
  "F95": {
    "descriptions": [
      "Fortran language source code file (in free form)"
    ]
  },
  "F96": {
    "descriptions": [
      "Fax"
    ]
  },
  "FA": {
    "descriptions": [
      "FASTA format sequence file"
    ]
  },
  "FAC": {
    "descriptions": [
      "see FACE"
    ]
  },
  "FACE": {
    "descriptions": [
      "Usenix FACE graphics file"
    ]
  },
  "FAM": {
    "descriptions": [
      "Famtasia Famicom image format"
    ]
  },
  "FAQ": {
    "descriptions": [
      "Frequently Asked Questions text file"
    ]
  },
  "FAR": {
    "descriptions": [
      "Music format (Farandole Composer Module)"
    ]
  },
  "FAS": {
    "descriptions": [
      "Macsyma compiled program"
    ]
  },
  "FASTA": {
    "descriptions": [
      "FASTA format sequence file"
    ]
  },
  "FAX": {
    "descriptions": [
      "Fax (raster graphics in CCITT format)"
    ]
  },
  "FB": {
    "descriptions": [
      "Backup files"
    ]
  },
  "FB2": {
    "descriptions": [
      "FictionBook e-book 2.0 file (DRM-free XML format)"
    ]
  },
  "FB2K": {
    "descriptions": [
      "foobar2000 File"
    ]
  },
  "FB2K-COMPONENT": {
    "descriptions": [
      "foobar2000 Component"
    ]
  },
  "FBM": {
    "descriptions": [
      "Fuzzy Bitmap"
    ]
  },
  "FBW": {
    "descriptions": [
      "HP Backup and Recovery Manager"
    ]
  },
  "FBX": {
    "descriptions": [
      "3D model geometry, material textures, lighting, armature, and animation sequences for inter application use/transport"
    ]
  },
  "FC": {
    "descriptions": [
      "Spell checking dictionary"
    ]
  },
  "FCM": {
    "descriptions": [
      "Binary file patch file (forward compression)"
    ]
  },
  "FCP": {
    "descriptions": [
      "Final Cut Pro project file"
    ]
  },
  "FCS": {
    "descriptions": [
      "Flow cytometry standard file"
    ]
  },
  "FD": {
    "descriptions": [
      "Declaration file",
      "Field offsets for compiler",
      "Front Door' resource files"
    ]
  },
  "FDB": {
    "descriptions": [
      "Font Definition Block"
    ]
  },
  "FDS": {
    "descriptions": [
      "fwNES Famicom Disk System image",
      "Headerless Famicom Disk System image"
    ]
  },
  "FDW": {
    "descriptions": [
      "Form"
    ]
  },
  "FDX": {
    "descriptions": [
      "Screenplay"
    ]
  },
  "FE": {
    "descriptions": [
      "Data"
    ]
  },
  "FEB": {
    "descriptions": [
      "Button bar for Figure Editor"
    ]
  },
  "FEI": {
    "descriptions": [
      "Fatal Error Infotable"
    ]
  },
  "FEN": {
    "descriptions": [
      "Forsyth–Edwards Notation"
    ]
  },
  "FES": {
    "descriptions": [
      "File produced when a fileless occurrence in 3D Topicscape is exported to Windows"
    ]
  },
  "FF": {
    "descriptions": [
      "Intelligont FIAS format",
      "Outline font description"
    ]
  },
  "FFE": {
    "descriptions": [
      "Front Fareast Famicom image format"
    ]
  },
  "FFF": {
    "descriptions": [
      "Fax"
    ]
  },
  "FFI": {
    "descriptions": [
      "Atech FastFont (AllType)"
    ]
  },
  "FFIVW": {
    "descriptions": [
      "File Format for the Interchange of Virtual Worlds"
    ]
  },
  "FFT": {
    "descriptions": [
      "Dca/FFT Final Form Text text file (DisplayWrite)",
      "DCA/FFT Final Form Text text file"
    ]
  },
  "FH3": {
    "descriptions": [
      "Vector graphics"
    ]
  },
  "FH4": {
    "descriptions": [
      "Vector graphics"
    ]
  },
  "FI": {
    "descriptions": [
      "Interface file"
    ]
  },
  "FIF": {
    "descriptions": [
      "Fractal Image Format file"
    ]
  },
  "FIG": {
    "descriptions": [
      "Figure File"
    ]
  },
  "FIL": {
    "descriptions": [
      "Table Data",
      "File template",
      "Filelist",
      "Files list object file",
      "Mirror. FIL is the name given to the saved FAT by the mirror program included in some versions of DOS and in PCTools",
      "Overlay",
      "File which was moved to the Virus Vault by AVG"
    ]
  },
  "FILE": {
    "descriptions": [
      "A generic Windows file"
    ]
  },
  "FILM": {
    "descriptions": [
      "Filmkey film file"
    ]
  },
  "FIN": {
    "descriptions": [
      "Print-formatted text file"
    ]
  },
  "FIO": {
    "descriptions": [
      "Aldus PhotoStyler graphics filter",
      "Image PALS viewer DLL"
    ]
  },
  "FIT": {
    "descriptions": [
      "File Index Table",
      "see FITS",
      "Fityk Script"
    ]
  },
  "FITS": {
    "descriptions": [
      "Flexible Image Transport System"
    ]
  },
  "FIX": {
    "descriptions": [
      "Patch file"
    ]
  },
  "FKY": {
    "descriptions": [
      "Macro file"
    ]
  },
  "FLA": {
    "descriptions": [
      "Source material for Flash applications (see SWF)"
    ]
  },
  "FLAC": {
    "descriptions": [
      "Audio codec, Audio file format"
    ]
  },
  "FLAME": {
    "descriptions": [
      "Fractal configuration file"
    ]
  },
  "FLB": {
    "descriptions": [
      "Format library"
    ]
  },
  "FLC": {
    "descriptions": [
      "Animation format FLIC >320x200"
    ]
  },
  "FLD": {
    "descriptions": [
      "Folder"
    ]
  },
  "FLI": {
    "descriptions": [
      "Animation format FLIC 320x200",
      "TeX font library"
    ]
  },
  "FLM": {
    "descriptions": [
      "Film Roll",
      "Fl Studio Mobile project file"
    ]
  },
  "FLP": {
    "descriptions": [
      "Flstudio project file",
      "FLP Designer layout file"
    ]
  },
  "FLT": {
    "descriptions": [
      "Data/file conversion filter (or overlay)",
      "Filter file",
      "MultiGen Flight",
      "Support file - graphics filter"
    ]
  },
  "FLV": {
    "descriptions": [
      "A container format for Flash Video (see also SWF)"
    ]
  },
  "FLX": {
    "descriptions": [
      "Animation format",
      "Compiled binary"
    ]
  },
  "FM": {
    "descriptions": [
      "Database"
    ]
  },
  "FM1": {
    "descriptions": [
      "Spreadsheet format overlay"
    ]
  },
  "FM3": {
    "descriptions": [
      "Device driver",
      "Spreadsheet"
    ]
  },
  "FMB": {
    "descriptions": [
      "File Manager Button bar"
    ]
  },
  "FMF": {
    "descriptions": [
      "Font or icon file"
    ]
  },
  "FMK": {
    "descriptions": [
      "Makefile"
    ]
  },
  "FMO": {
    "descriptions": [
      "Compiled format file"
    ]
  },
  "FMT": {
    "descriptions": [
      "Format file",
      "Gate3 format file",
      "Style sheet"
    ]
  },
  "FMV": {
    "descriptions": [
      "Full Motion Video file"
    ]
  },
  "FN3": {
    "descriptions": [
      "Font file"
    ]
  },
  "FND": {
    "descriptions": [
      "Files searching properties"
    ]
  },
  "FNI": {
    "descriptions": [
      "FileNet Native Document"
    ]
  },
  "FNK": {
    "descriptions": [
      "FunkTracker music module"
    ]
  },
  "FNM": {
    "descriptions": [
      "Fannie Mae Residential Loan Data (RLD) format for mortgage submission to DO/DU"
    ]
  },
  "FNT": {
    "descriptions": [
      "Font file"
    ]
  },
  "FNX": {
    "descriptions": [
      "Inactive font"
    ]
  },
  "FO1": {
    "descriptions": [
      "Font file"
    ]
  },
  "FO2": {
    "descriptions": [
      "Font file"
    ]
  },
  "FOG": {
    "descriptions": [
      "Fontographer Database File"
    ]
  },
  "FOL": {
    "descriptions": [
      "Folder of saved messages"
    ]
  },
  "FON": {
    "descriptions": [
      "Log of all calls",
      "Terminate phonebook",
      "Windows bitmapped font file"
    ]
  },
  "FONT": {
    "descriptions": [
      "Font data"
    ]
  },
  "FOP": {
    "descriptions": [
      "Freedom of the Press graphic file"
    ]
  },
  "FOR": {
    "descriptions": [
      "Form",
      "Fortran language source file"
    ]
  },
  "FOT": {
    "descriptions": [
      "Installed Truetype font"
    ]
  },
  "FOX": {
    "descriptions": [
      "Foxbase executable (precompiled .prg)"
    ]
  },
  "FP": {
    "descriptions": [
      "Final Page file",
      "Tiff file",
      "Video file"
    ]
  },
  "FP3": {
    "descriptions": [
      "Database"
    ]
  },
  "FP4": {
    "descriptions": [
      "Database"
    ]
  },
  "FP5": {
    "descriptions": [
      "Database"
    ]
  },
  "FP7": {
    "descriptions": [
      "Database"
    ]
  },
  "FPC": {
    "descriptions": [
      "Catalog"
    ]
  },
  "FPD": {
    "descriptions": [
      "TMT Pascal compiled unit"
    ]
  },
  "FPL": {
    "descriptions": [
      "Playlist"
    ]
  },
  "FPM": {
    "descriptions": [
      "Configuration file"
    ]
  },
  "FPT": {
    "descriptions": [
      "Foxpro memo field tables"
    ]
  },
  "FPU": {
    "descriptions": [
      "Configuration file"
    ]
  },
  "FPW": {
    "descriptions": [
      "Floorplan drawing",
      "Configuration file"
    ]
  },
  "FPX": {
    "descriptions": [
      "FlashPix Bitmap Image File"
    ]
  },
  "FR3": {
    "descriptions": [
      "Renamed dBASE III+ form file"
    ]
  },
  "FR?": {
    "descriptions": [
      "Packed mail"
    ]
  },
  "FRF": {
    "descriptions": [
      "FontMonger Database file"
    ]
  },
  "FRG": {
    "descriptions": [
      "Uncompiled report file"
    ]
  },
  "FRL": {
    "descriptions": [
      "GP-Forth library"
    ]
  },
  "FRM": {
    "descriptions": [
      "Registration or other form",
      "Report file",
      "Visual Basic Form",
      "MySQL Database Metadata"
    ]
  },
  "FRO": {
    "descriptions": [
      "Compiled report file"
    ]
  },
  "FRP": {
    "descriptions": [
      "Form"
    ]
  },
  "FRS": {
    "descriptions": [
      "Screen Font Resource"
    ]
  },
  "FRT": {
    "descriptions": [
      "Additional (FPT) report description file",
      "GP-Forth source file"
    ]
  },
  "FRX": {
    "descriptions": [
      "Main (DBF) report description file",
      "Visual Basic binary program file"
    ]
  },
  "FSA": {
    "descriptions": [
      "Applied Biosystems Genetic Analysis data file"
    ]
  },
  "FSIM": {
    "descriptions": [
      "Simulation File Format"
    ]
  },
  "FSL": {
    "descriptions": [
      "Form"
    ]
  },
  "FSM": {
    "descriptions": [
      "Farandole Composer WaveSample"
    ]
  },
  "FSPROJ": {
    "descriptions": [
      "Habanero Firestarter project"
    ]
  },
  "FST": {
    "descriptions": [
      "FL Studio Preset File",
      "Linkable program",
      "Temporal database file"
    ]
  },
  "FSTICK": {
    "descriptions": [
      "Temporal database file"
    ]
  },
  "FSX": {
    "descriptions": [
      "Data"
    ]
  },
  "FTB": {
    "descriptions": [
      "Compressed Ftb file"
    ]
  },
  "FTH": {
    "descriptions": [
      "foobar2000 Theme File"
    ]
  },
  "FTM": {
    "descriptions": [
      "Font file"
    ]
  },
  "FTP": {
    "descriptions": [
      "Configuration"
    ]
  },
  "FTS": {
    "descriptions": [
      "Full text search index of old Windows Help file"
    ]
  },
  "FTXT": {
    "descriptions": [
      "text"
    ]
  },
  "FUK": {
    "descriptions": [
      "Map File"
    ]
  },
  "FW": {
    "descriptions": [
      "Database"
    ]
  },
  "FW2": {
    "descriptions": [
      "Database"
    ]
  },
  "FW3": {
    "descriptions": [
      "Database"
    ]
  },
  "FWEB": {
    "descriptions": [
      "Fortran WEB"
    ]
  },
  "FX": {
    "descriptions": [
      "On-line guide"
    ]
  },
  "FXD": {
    "descriptions": [
      "Phonebook"
    ]
  },
  "FXP": {
    "descriptions": [
      "Foxpro executable (precompiled .prg)"
    ]
  },
  "FXS": {
    "descriptions": [
      "FAX Transmit Format graphics file"
    ]
  },
  "FYF": {
    "descriptions": [
      "FileLoc"
    ]
  },
  "Fnn": {
    "descriptions": [
      "DOS screen text font - height nn pixels"
    ]
  },
  "G": {
    "descriptions": [
      "Data chart"
    ]
  },
  "G16": {
    "descriptions": [
      "GoldED for DOS compiled config"
    ]
  },
  "G3": {
    "descriptions": [
      "Group 3 Fax"
    ]
  },
  "G3D": {
    "descriptions": [
      "Glest model file"
    ]
  },
  "G3P": {
    "descriptions": [
      "data"
    ]
  },
  "G8": {
    "descriptions": [
      "Raw graphics file (one byte per pixel) plane three"
    ]
  },
  "GAF": {
    "descriptions": [
      "Globa Game Engine audio format"
    ]
  },
  "GAM": {
    "descriptions": [
      "Fax"
    ]
  },
  "GAME": {
    "descriptions": [
      "Chess Game"
    ]
  },
  "GAMEPROJ": {
    "descriptions": [
      "Gamesalad game project format"
    ]
  },
  "GB": {
    "descriptions": [
      "Game Boy ROM",
      "GenBank flat file"
    ]
  },
  "GB1": {
    "descriptions": [
      "Game Maker backup file (can also be GB2, GB3, etc.)"
    ]
  },
  "GBA": {
    "descriptions": [
      "Game Boy Advance ROM"
    ]
  },
  "GBC": {
    "descriptions": [
      "Game Boy Color ROM"
    ]
  },
  "GBK": {
    "descriptions": [
      "GenBank flat file"
    ]
  },
  "GBL": {
    "descriptions": [
      "Genesis Bitmap Layout",
      "Global definitions",
      "Global module in Basic programs"
    ]
  },
  "GBP": {
    "descriptions": [
      "Genesis Bitmap Pattern"
    ]
  },
  "GBR": {
    "descriptions": [
      "Gerber format",
      "GIMP brush"
    ]
  },
  "GBS": {
    "descriptions": [
      "GBS meta data"
    ]
  },
  "GC": {
    "descriptions": [
      "Savegame"
    ]
  },
  "GC1": {
    "descriptions": [
      "Lisp source code"
    ]
  },
  "GC3": {
    "descriptions": [
      "Lisp source code"
    ]
  },
  "GCA": {
    "descriptions": [
      "IBM GOCA"
    ]
  },
  "GCD": {
    "descriptions": [
      "Graphics",
      "General content descriptor",
      "Generic Cadd drawing"
    ]
  },
  "GCF": {
    "descriptions": [
      "Game cache file"
    ]
  },
  "GCH": {
    "descriptions": [
      "GNU preprocessed C++ header file"
    ]
  },
  "GCI": {
    "descriptions": [
      "Nintendo GameCube save file"
    ]
  },
  "GCW": {
    "descriptions": [
      "Microsoft Mathematics Worksheet"
    ]
  },
  "GCX": {
    "descriptions": [
      "Graph file"
    ]
  },
  "GD3": {
    "descriptions": [
      "Game Doctor Super NES ROM image"
    ]
  },
  "GDF": {
    "descriptions": [
      "General Data Format for Biomedical Signals",
      "Dictionary file",
      "Geographical Data Format",
      "IBM Graphics Data Format"
    ]
  },
  "GDL": {
    "descriptions": [
      "Data"
    ]
  },
  "GDS": {
    "descriptions": [
      "McDonnell-Douglas Things"
    ]
  },
  "GDT": {
    "descriptions": [
      "Gerätedatentransfer, an xDT application"
    ]
  },
  "GE": {
    "descriptions": [
      "GEcho config file"
    ]
  },
  "GED": {
    "descriptions": [
      "GEDCOM",
      "Native format for all A&L products since 1983",
      "GoldED for DOS compiled config file",
      "Graphics editor file",
      "Game Editor Data / project file"
    ]
  },
  "GEM": {
    "descriptions": [
      "Vector graphics file"
    ]
  },
  "GEN": {
    "descriptions": [
      "Compiled template",
      "Generated text"
    ]
  },
  "GENBANK": {
    "descriptions": [
      "GenBank flat file"
    ]
  },
  "GEO": {
    "descriptions": [
      "Geode",
      "GEOS specific file (application)",
      "GoldED for OS/2 compiled config file"
    ]
  },
  "GEX": {
    "descriptions": [
      "GEcho config file"
    ]
  },
  "GFB": {
    "descriptions": [
      "Compressed GIF image created by GIFBLAST"
    ]
  },
  "GFF": {
    "descriptions": [
      "General feature format"
    ]
  },
  "GFO": {
    "descriptions": [
      "SGI Radiosity"
    ]
  },
  "GFT": {
    "descriptions": [
      "Font",
      "GEM-translator font file"
    ]
  },
  "GFX": {
    "descriptions": [
      "Instant Artist graphics Files",
      "PCBoard @X-coded colorful text"
    ]
  },
  "GHO": {
    "descriptions": [
      "Norton Ghost File (first file)"
    ]
  },
  "GHS": {
    "descriptions": [
      "Norton Ghost File (split file)"
    ]
  },
  "GHW": {
    "descriptions": [
      "GHDL Wave file"
    ]
  },
  "GI": {
    "descriptions": [
      "Disk image"
    ]
  },
  "GIB": {
    "descriptions": [
      "Chart",
      "GIMP animated brush"
    ]
  },
  "GID": {
    "descriptions": [
      "Global index of old Windows Help file"
    ]
  },
  "GIF": {
    "descriptions": [
      "Compuserves' Graphics Interchange Format (bitmapped graphics)"
    ]
  },
  "GIW": {
    "descriptions": [
      "Presentation"
    ]
  },
  "GKH": {
    "descriptions": [
      "Ensoniq Disk Image (VFX, SD, EPS, ASR, TS)"
    ]
  },
  "GKS": {
    "descriptions": [
      "Graphics Kernel System"
    ]
  },
  "GL": {
    "descriptions": [
      "Animation format",
      "Animation"
    ]
  },
  "GLB": {
    "descriptions": [
      "Global module in Basic programs"
    ]
  },
  "GLM": {
    "descriptions": [
      "Datafile, KernelCAD model"
    ]
  },
  "GLO": {
    "descriptions": [
      "Global module in Basic programs"
    ]
  },
  "GLS": {
    "descriptions": [
      "Datafile"
    ]
  },
  "GLY": {
    "descriptions": [
      "Winword Glossary"
    ]
  },
  "GM6": {
    "descriptions": [
      "GameMaker Editable file as of version 6.x"
    ]
  },
  "GM81": {
    "descriptions": [
      "GameMaker Editable file as of version 8.1.x"
    ]
  },
  "GMD": {
    "descriptions": [
      "GameMaker Editable file up to version 5.x"
    ]
  },
  "GMF": {
    "descriptions": [
      "CGM graphics file"
    ]
  },
  "GMK": {
    "descriptions": [
      "GameMaker Editable file as of version 7.x or 8.x"
    ]
  },
  "GML": {
    "descriptions": [
      "GameMaker GML script file",
      "Geography Markup Language File"
    ]
  },
  "GMOD": {
    "descriptions": [
      "Data"
    ]
  },
  "GMP": {
    "descriptions": [
      "Geomorph tile map"
    ]
  },
  "GMS": {
    "descriptions": [
      "Ghost Mouse Script",
      "Gesture and Motion File Formats"
    ]
  },
  "GMT": {
    "descriptions": [
      "Gene Matrix Transposed",
      "data"
    ]
  },
  "GMX": {
    "descriptions": [
      "GameMaker:Studio Editable File as of 1.x"
    ]
  },
  "GND": {
    "descriptions": [
      "GNUnet directory file"
    ]
  },
  "GO": {
    "descriptions": [
      "Go source code file"
    ]
  },
  "GOC": {
    "descriptions": [
      "Goc source code file"
    ]
  },
  "GOE": {
    "descriptions": [
      "GOES graphic file"
    ]
  },
  "GOH": {
    "descriptions": [
      "Goc header file"
    ]
  },
  "GP": {
    "descriptions": [
      "Geode parameter file",
      "Great Programmable Calculator script source code"
    ]
  },
  "GP4": {
    "descriptions": [
      "data"
    ]
  },
  "GP5": {
    "descriptions": [
      "Guitar Pro 5 song"
    ]
  },
  "GPH": {
    "descriptions": [
      "Graph"
    ]
  },
  "GPK": {
    "descriptions": [
      "Omnigo program package"
    ]
  },
  "GPL": {
    "descriptions": [
      "GIMP palette file (text)"
    ]
  },
  "GPX": {
    "descriptions": [
      "GPS eXchange Format"
    ]
  },
  "GR2": {
    "descriptions": [
      "Screen driver"
    ]
  },
  "GRA": {
    "descriptions": [
      "Datafile"
    ]
  },
  "GRAFFLE": {
    "descriptions": [
      "OmniGraffle graph file"
    ]
  },
  "GRASP": {
    "descriptions": [
      "Graphical System for Presentation"
    ]
  },
  "GRB": {
    "descriptions": [
      "T-FLEX CAD file",
      "MS-DOS Shell Monitor file"
    ]
  },
  "GRD": {
    "descriptions": [
      "Drivers for GRX (graphics library)"
    ]
  },
  "GRDNT": {
    "descriptions": [
      "Image format used in the core of some very obscure customized operating systems to represent gradients; see also SCTOR"
    ]
  },
  "GRE": {
    "descriptions": [
      "data"
    ]
  },
  "GREENFOOT": {
    "descriptions": [
      "Greenfoot Project"
    ]
  },
  "GRF": {
    "descriptions": [
      "Graph file"
    ]
  },
  "GRFT": {
    "descriptions": [
      "Graph definition text file"
    ]
  },
  "GRIB": {
    "descriptions": [
      "Gridded Binary"
    ]
  },
  "GRN": {
    "descriptions": [
      "Drivers for GRX (graphics library)"
    ]
  },
  "GRP": {
    "descriptions": [
      "Group file",
      "Pictures group"
    ]
  },
  "GRY": {
    "descriptions": [
      "Graphics format (RAW GREYz)"
    ]
  },
  "GS": {
    "descriptions": [
      "Script written in Google Apps Script, used for automating tasks across online Google products"
    ]
  },
  "GS1": {
    "descriptions": [
      "Presentation"
    ]
  },
  "GS3": {
    "descriptions": [
      "data"
    ]
  },
  "GSA": {
    "descriptions": [
      "data"
    ]
  },
  "GSD": {
    "descriptions": [
      "Vector graphics"
    ]
  },
  "GSM": {
    "descriptions": [
      "Raw GSM 6.10 audio stream"
    ]
  },
  "GSP": {
    "descriptions": [
      "Geometer's Sketchpad"
    ]
  },
  "GSW": {
    "descriptions": [
      "Worksheet"
    ]
  },
  "GT7": {
    "descriptions": [
      "RS7 Guided tour"
    ]
  },
  "GTA": {
    "descriptions": [
      "data"
    ]
  },
  "GTF": {
    "descriptions": [
      "Gene transfer format"
    ]
  },
  "GUP": {
    "descriptions": [
      ""
    ]
  },
  "GV": {
    "descriptions": [
      "GrandView outline file"
    ]
  },
  "GVO": {
    "descriptions": [
      "Data"
    ]
  },
  "GWI": {
    "descriptions": [
      "Groupwise File"
    ]
  },
  "GXK": {
    "descriptions": [
      "Secure Data encryption Format"
    ]
  },
  "GXL": {
    "descriptions": [
      "Graphics library"
    ]
  },
  "GZ": {
    "descriptions": [
      "Archive"
    ]
  },
  "GZR": {
    "descriptions": [
      "data"
    ]
  },
  "GrADS": {
    "descriptions": [
      "Metafile"
    ]
  },
  "H": {
    "descriptions": [
      "Header file (usually C language)"
    ]
  },
  "H!": {
    "descriptions": [
      "On-line help file",
      "Pertext database"
    ]
  },
  "H++": {
    "descriptions": [
      "Header file"
    ]
  },
  "H--": {
    "descriptions": [
      "C—language header"
    ]
  },
  "HA": {
    "descriptions": [
      "Archive"
    ]
  },
  "HACK": {
    "descriptions": [
      "Source file for the programming language hack"
    ]
  },
  "HAL": {
    "descriptions": [
      "Data file"
    ]
  },
  "HAM": {
    "descriptions": [
      "Disk Drivers NPA",
      "Hold And Modify"
    ]
  },
  "HAP": {
    "descriptions": [
      "Archive"
    ]
  },
  "HAR": {
    "descriptions": [
      "HTTP Archive format (JSON-format web-browser log)"
    ]
  },
  "HBC": {
    "descriptions": [
      "Compressed Archive File (Shrink Algorithm)",
      "Compressed Archive File (Shrink Fast Algorithm)"
    ]
  },
  "HBE": {
    "descriptions": [
      "Compressed, Encrypted Archive File (Shrink & AES256-bit Encryption)"
    ]
  },
  "HBK": {
    "descriptions": [
      "MathCAD handbook"
    ]
  },
  "HC": {
    "descriptions": [
      "Header file"
    ]
  },
  "HCG": {
    "descriptions": [
      "Document"
    ]
  },
  "HCGS": {
    "descriptions": [
      "Document"
    ]
  },
  "HDD": {
    "descriptions": [
      "data",
      "HotDisc Designer label"
    ]
  },
  "HDF": {
    "descriptions": [
      "Amiga Hard Disk Image",
      "Help file",
      "Hierarchical Data File graphics file"
    ]
  },
  "HDL": {
    "descriptions": [
      "Alternate download file listing"
    ]
  },
  "HDMP": {
    "descriptions": [
      "heap dumpfile"
    ]
  },
  "HDR": {
    "descriptions": [
      "Datafile",
      "Message header text",
      "PC-File+ Database header",
      "SPOT image file"
    ]
  },
  "HDS": {
    "descriptions": [
      "Hierarchical Data System"
    ]
  },
  "HDW": {
    "descriptions": [
      "Vector graphics"
    ]
  },
  "HDX": {
    "descriptions": [
      "Help index"
    ]
  },
  "HDZ": {
    "descriptions": [
      "Amiga Zip compressed Hard Disk Image"
    ]
  },
  "HEP": {
    "descriptions": [
      "Novell Help Librarian Data File"
    ]
  },
  "HEX": {
    "descriptions": [
      "Hex dump"
    ]
  },
  "HFI": {
    "descriptions": [
      "HP Font Info file"
    ]
  },
  "HGL": {
    "descriptions": [
      "Highlight groups definitions",
      "HP Graphics Language graphics file"
    ]
  },
  "HH": {
    "descriptions": [
      "C++ header file"
    ]
  },
  "HHH": {
    "descriptions": [
      "Precompiled header file"
    ]
  },
  "HHP": {
    "descriptions": [
      "Help information for remote users",
      "Microsoft HTML Help project"
    ]
  },
  "HI": {
    "descriptions": [
      "Game high scores table"
    ]
  },
  "HIN": {
    "descriptions": [
      "Molecule"
    ]
  },
  "HIS": {
    "descriptions": [
      "History of executing/viewing/editing",
      "Yard Information File"
    ]
  },
  "HKM": {
    "descriptions": [
      "Stores sound in a bitmapped graphics file"
    ]
  },
  "HLB": {
    "descriptions": [
      "Help library"
    ]
  },
  "HLP": {
    "descriptions": [
      "old Windows Help file"
    ]
  },
  "HLX": {
    "descriptions": [
      "Multi Edit help file"
    ]
  },
  "HLZ": {
    "descriptions": [
      "Multi Edit packed help file"
    ]
  },
  "HMI": {
    "descriptions": [
      "Music format (MIDI)"
    ]
  },
  "HMM": {
    "descriptions": [
      "Alternate Mail Read option menu"
    ]
  },
  "HMP": {
    "descriptions": [
      "Music format (MIDI)",
      "Hump Setup File - Obsolete as of version 2.4 (See SET and SWT files)"
    ]
  },
  "HNC": {
    "descriptions": [
      "CNC program files Heidenhain (?) dialog"
    ]
  },
  "HOF": {
    "descriptions": [
      "Hall Of Fame (game scores)"
    ]
  },
  "HOM": {
    "descriptions": [
      "CAD Software Data File"
    ]
  },
  "HP": {
    "descriptions": [
      "Printout file for HP printers/plotters (HP/GL)"
    ]
  },
  "HP8": {
    "descriptions": [
      "ASCII text HP Roman8 character set"
    ]
  },
  "HP9": {
    "descriptions": [
      "ASCII text HP Roman9 character set"
    ]
  },
  "HPF": {
    "descriptions": [
      "HP LaserJet fonts"
    ]
  },
  "HPG": {
    "descriptions": [
      "see HPGL"
    ]
  },
  "HPGL": {
    "descriptions": [
      "Plotter file vector graphics (Hewlett-Packard Graphics Language)"
    ]
  },
  "HPI": {
    "descriptions": [
      "Font information file"
    ]
  },
  "HPJ": {
    "descriptions": [
      "Help project"
    ]
  },
  "HPK": {
    "descriptions": [
      "Archive"
    ]
  },
  "HPM": {
    "descriptions": [
      "Alternate Main menu for privileged users",
      "EMM text",
      "High Performance Map"
    ]
  },
  "HPP": {
    "descriptions": [
      "C++ header file"
    ]
  },
  "HPPCL": {
    "descriptions": [
      "Hewlett-Packard Printer Control Language"
    ]
  },
  "HQX": {
    "descriptions": [
      "Archive (ASCII Mac)"
    ]
  },
  "HRF": {
    "descriptions": [
      "Graphics file (Hitachi Raster Format)"
    ]
  },
  "HRM": {
    "descriptions": [
      "Alternate Main menu for limited/normal users"
    ]
  },
  "HRZ": {
    "descriptions": [
      "Graphics format"
    ]
  },
  "HS2": {
    "descriptions": [
      "Monochrome image"
    ]
  },
  "HSC": {
    "descriptions": [
      "2-op FM music"
    ]
  },
  "HSH": {
    "descriptions": [
      "Disk image hash file"
    ]
  },
  "HSI": {
    "descriptions": [
      "Handmade Software Inc. graphics file almost JPEG"
    ]
  },
  "HST": {
    "descriptions": [
      "History file"
    ]
  },
  "HTA": {
    "descriptions": [
      "HTML Application"
    ]
  },
  "HTM": {
    "descriptions": [
      "see HTML"
    ]
  },
  "HTML": {
    "descriptions": [
      "Hypertext Markup Language (WWW)"
    ]
  },
  "HTX": {
    "descriptions": [
      "Hypertext file"
    ]
  },
  "HUS": {
    "descriptions": [
      "Husqvarna Viking Embroidery Format"
    ]
  },
  "HVE": {
    "descriptions": [
      "Hive file[3]"
    ]
  },
  "HWA": {
    "descriptions": [
      "Hollywood applet"
    ]
  },
  "HWD": {
    "descriptions": [
      "Presentation"
    ]
  },
  "HWP": {
    "descriptions": [
      "Hangul Word Processor Document"
    ]
  },
  "HWS": {
    "descriptions": [
      "Hollywood script"
    ]
  },
  "HXM": {
    "descriptions": [
      "Alternate Protocol Selection menu for all users"
    ]
  },
  "HXS": {
    "descriptions": [
      "Microsoft Help 2 compiled help file"
    ]
  },
  "HXX": {
    "descriptions": [
      "C++ header file"
    ]
  },
  "HY1": {
    "descriptions": [
      "Hyphenation algorithms"
    ]
  },
  "HY2": {
    "descriptions": [
      "Hyphenation algorithms"
    ]
  },
  "HYC": {
    "descriptions": [
      "Data"
    ]
  },
  "HYD": {
    "descriptions": [
      "Hyphenation dictionary"
    ]
  },
  "HYP": {
    "descriptions": [
      "Archive"
    ]
  },
  "I": {
    "descriptions": [
      "Preprocessor output file",
      "SWIG interface file"
    ]
  },
  "IAK": {
    "descriptions": [
      "Internet Access Kit"
    ]
  },
  "IAM": {
    "descriptions": [
      "Assembly file"
    ]
  },
  "IAX": {
    "descriptions": [
      "Bitmap graphics (IBM Image Access eXecutive)",
      "data"
    ]
  },
  "IBG": {
    "descriptions": [
      "PDS graphic file"
    ]
  },
  "IBM": {
    "descriptions": [
      "Archive (Internal IBM only)"
    ]
  },
  "IBRO": {
    "descriptions": [
      "Robot save file"
    ]
  },
  "ICA": {
    "descriptions": [
      "Bitmap graphics (Image Object Content Architecture)"
    ]
  },
  "ICB": {
    "descriptions": [
      "Targa ICB bitmap graphics"
    ]
  },
  "ICC": {
    "descriptions": [
      "ICC profile"
    ]
  },
  "ICE": {
    "descriptions": [
      "LHA Archive"
    ]
  },
  "ICFE": {
    "descriptions": [
      "IceFormula Equation Workspace"
    ]
  },
  "ICFM": {
    "descriptions": [
      "IceFormula Math Workspace"
    ]
  },
  "ICL": {
    "descriptions": [
      "Icon Library"
    ]
  },
  "ICM": {
    "descriptions": [
      "ICC configuration"
    ]
  },
  "ICN": {
    "descriptions": [
      "ICON source code file"
    ]
  },
  "ICO": {
    "descriptions": [
      "Icon file"
    ]
  },
  "ID": {
    "descriptions": [
      "Disk identification file"
    ]
  },
  "IDB": {
    "descriptions": [
      "IDA database",
      "VC++ Minimum Rebuild Dependency File"
    ]
  },
  "IDC": {
    "descriptions": [
      "IDA C language source"
    ]
  },
  "IDE": {
    "descriptions": [
      "Borland C++ 4.x IDE project"
    ]
  },
  "IDF": {
    "descriptions": [
      "MIDI instrument description or Intermediate Data Format"
    ]
  },
  "IDS": {
    "descriptions": [
      "IDA imported names format"
    ]
  },
  "IDW": {
    "descriptions": [
      "Vector graphics",
      "Drawing file"
    ]
  },
  "IDX": {
    "descriptions": [
      "Index"
    ]
  },
  "IFD": {
    "descriptions": [
      "Form"
    ]
  },
  "IFF": {
    "descriptions": [
      "Interchange Format File (IFF)",
      "Sun TAAC Image File Format"
    ]
  },
  "IFP": {
    "descriptions": [
      "Script"
    ]
  },
  "IFS": {
    "descriptions": [
      "Fractal image compressed file",
      "Iterated fractal system file",
      "Installable file system"
    ]
  },
  "IGC": {
    "descriptions": [
      "Flight tracks downloaded from GPS devices in the International Gliding Commission's prescribed format"
    ]
  },
  "IGES": {
    "descriptions": [
      "Initial Graphics Exchange Specification"
    ]
  },
  "IGF": {
    "descriptions": [
      "Inset Systems",
      "LasershowGen Frames"
    ]
  },
  "IGP": {
    "descriptions": [
      "LasershowGen Project"
    ]
  },
  "IHP": {
    "descriptions": [
      "Watcom help file"
    ]
  },
  "IHS": {
    "descriptions": [
      "Inbound History"
    ]
  },
  "IIW": {
    "descriptions": [
      "Power Point Image Importer Wizard"
    ]
  },
  "IL": {
    "descriptions": [
      "hDC Designer Icon Lin dll format"
    ]
  },
  "ILB": {
    "descriptions": [
      "Data"
    ]
  },
  "ILG": {
    "descriptions": [
      "data"
    ]
  },
  "ILK": {
    "descriptions": [
      "Outline of program's format"
    ]
  },
  "ILX": {
    "descriptions": [
      "ILMTXT Scrolling Text File Viewer executable file"
    ]
  },
  "IM": {
    "descriptions": [
      "Auran Jet indexed mesh file"
    ]
  },
  "IM8": {
    "descriptions": [
      "Sun Raster graphics file"
    ]
  },
  "IMA": {
    "descriptions": [
      "Mirage vector graphics",
      "Disk image"
    ]
  },
  "IMG": {
    "descriptions": [
      "ADEX graphic file",
      "Disk Image",
      "GEM bitmapped graphics file",
      "Image for Windows/Image for DOS Disk image",
      "Vivid IMG file"
    ]
  },
  "IMI": {
    "descriptions": [
      "image",
      "image"
    ]
  },
  "IMMODULES": {
    "descriptions": [
      "Module"
    ]
  },
  "IMP": {
    "descriptions": [
      "Spreadsheet"
    ]
  },
  "IMQ": {
    "descriptions": [
      "Image presentation"
    ]
  },
  "IMZ": {
    "descriptions": [
      "Disk image"
    ]
  },
  "IN": {
    "descriptions": [
      "Design II for Windows INput file",
      "autoconf INput file"
    ]
  },
  "IN$": {
    "descriptions": [
      "Installation file"
    ]
  },
  "IN3": {
    "descriptions": [
      "Input device driver"
    ]
  },
  "INB": {
    "descriptions": [
      "Test script"
    ]
  },
  "INC": {
    "descriptions": [
      "Include file"
    ]
  },
  "IND": {
    "descriptions": [
      "Data Index"
    ]
  },
  "INDD": {
    "descriptions": [
      "InDesign Document"
    ]
  },
  "INF": {
    "descriptions": [
      "Information text file (ASCII)",
      "Install script",
      "OS/2 hypertext help system file",
      "Type 1 LaserJet font information file"
    ]
  },
  "INFO": {
    "descriptions": [
      "GNU info reader (output from Texinfo)",
      "Icon Data (Amiga)"
    ]
  },
  "INGR": {
    "descriptions": [
      "Intergraph Raster File Format"
    ]
  },
  "INI": {
    "descriptions": [
      "Initialization file"
    ]
  },
  "INK": {
    "descriptions": [
      "Pantone reference fills file"
    ]
  },
  "INO": {
    "descriptions": [
      "Arduino file"
    ]
  },
  "INS": {
    "descriptions": [
      "Data",
      "Ensoniq Instrument File",
      "Installation script",
      "Instrument music file (Adlib)"
    ]
  },
  "INT": {
    "descriptions": [
      "Borland Interface Units",
      "Program saved in Internal (semi-compiled) format",
      "Source of Borland interface module"
    ]
  },
  "INX": {
    "descriptions": [
      "Index"
    ]
  },
  "IO": {
    "descriptions": [
      "Archive"
    ]
  },
  "IOB": {
    "descriptions": [
      "3d graphics database in TDDD format"
    ]
  },
  "IOC": {
    "descriptions": [
      "Organizational chart"
    ]
  },
  "ION": {
    "descriptions": [
      "4DOS DESCRIPT.ION file (file descriptions like long filenames, comments, or extended attributes)"
    ]
  },
  "IP": {
    "descriptions": [
      "Immortal Player file"
    ]
  },
  "IPA": {
    "descriptions": [
      "Apple iOS Application"
    ]
  },
  "IPC": {
    "descriptions": [
      "Intellitec Program Configuration - used to configure vehicle electronics"
    ]
  },
  "IPF": {
    "descriptions": [
      "Interchangeable Preservation Format"
    ]
  },
  "IPG": {
    "descriptions": [
      "iPod game file"
    ]
  },
  "IPH": {
    "descriptions": [
      "Hi-Res Image"
    ]
  },
  "IPL": {
    "descriptions": [
      "Pantone Spot reference palette file"
    ]
  },
  "IPN": {
    "descriptions": [
      "Presentation File",
      "Intecplan project"
    ]
  },
  "IPS": {
    "descriptions": [
      "IPS Patching Format (International Patching System)[citation needed]"
    ]
  },
  "IPSW": {
    "descriptions": [
      "iOS firmware file"
    ]
  },
  "IPT": {
    "descriptions": [
      "Part file",
      "MultiColor Image",
      "XnView IPTC template"
    ]
  },
  "IPTC": {
    "descriptions": [
      "XnView XML-based IPTC template"
    ]
  },
  "IPYNB": {
    "descriptions": [
      "IPython Notebook"
    ]
  },
  "IRRMESH": {
    "descriptions": [
      "static irrMesh files"
    ]
  },
  "IRS": {
    "descriptions": [
      "Resource (WordPerfect) standard.irs"
    ]
  },
  "IRT": {
    "descriptions": [
      "Data"
    ]
  },
  "IRTR": {
    "descriptions": [
      "Graphicon-2000 Interactive Real-Time PHIGS"
    ]
  },
  "ISD": {
    "descriptions": [
      "Spelling Checker dictionary"
    ]
  },
  "ISH": {
    "descriptions": [
      "Archive"
    ]
  },
  "ISMA": {
    "descriptions": [
      "Output Video file"
    ]
  },
  "ISN": {
    "descriptions": [
      "InstallShield Installer Source File"
    ]
  },
  "ISO": {
    "descriptions": [
      "ISO-9660 table"
    ]
  },
  "IST": {
    "descriptions": [
      "Digitrakker Instrument File"
    ]
  },
  "IT": {
    "descriptions": [
      "Impulse Tracker music file",
      "Settings"
    ]
  },
  "ITF": {
    "descriptions": [
      "Technical indicator, trading system or market scan source code file",
      "Interface file"
    ]
  },
  "ITL": {
    "descriptions": [
      "iTunes music library"
    ]
  },
  "ITN": {
    "descriptions": [
      "Itinerary file"
    ]
  },
  "ITR": {
    "descriptions": [
      "i-Tree project files"
    ]
  },
  "ITT": {
    "descriptions": [
      "IconTweaker Theme"
    ]
  },
  "IV": {
    "descriptions": [
      "SGI Inventor"
    ]
  },
  "IV-VRML": {
    "descriptions": [
      "Inventor VRML Format"
    ]
  },
  "IVE": {
    "descriptions": [
      "OpenSceneGraph 3D model"
    ]
  },
  "IVI": {
    "descriptions": [
      "Image file"
    ]
  },
  "IVL": {
    "descriptions": [
      "Lensflare file"
    ]
  },
  "IVP": {
    "descriptions": [
      "Panorama file"
    ]
  },
  "IVU": {
    "descriptions": [
      "User Interface file"
    ]
  },
  "IW": {
    "descriptions": [
      "Presentation flowchart"
    ]
  },
  "IWA": {
    "descriptions": [
      "Text file"
    ]
  },
  "IWB": {
    "descriptions": [
      "Information WorkBench"
    ]
  },
  "IWD": {
    "descriptions": [
      "Call of Duty Map - Game Data Archive"
    ]
  },
  "IWP": {
    "descriptions": [
      "Text file"
    ]
  },
  "IX": {
    "descriptions": [
      "data"
    ]
  },
  "IZT": {
    "descriptions": [
      "Izl binary token file"
    ]
  },
  "J2C": {
    "descriptions": [
      "JPEG 2000 image"
    ]
  },
  "JA": {
    "descriptions": [
      "Mozilla  archive omni.ja"
    ]
  },
  "JAD": {
    "descriptions": [
      "Java Application Descriptor"
    ]
  },
  "JAM": {
    "descriptions": [
      "Jam messagebase",
      "Jam music score"
    ]
  },
  "JAR": {
    "descriptions": [
      "Java archive"
    ]
  },
  "JAS": {
    "descriptions": [
      "see JASC"
    ]
  },
  "JASC": {
    "descriptions": [
      "Graphics format (JASC)"
    ]
  },
  "JAV": {
    "descriptions": [
      "see JAVA"
    ]
  },
  "JAVA": {
    "descriptions": [
      "Java source code file"
    ]
  },
  "JBD": {
    "descriptions": [
      "Datafile"
    ]
  },
  "JBIG": {
    "descriptions": [
      "Joint Bilevel Image Group"
    ]
  },
  "JBX": {
    "descriptions": [
      "Project file"
    ]
  },
  "JCN": {
    "descriptions": [
      "JobClock.Net Synch File"
    ]
  },
  "JEF": {
    "descriptions": [
      "Janome Embroidery Format"
    ]
  },
  "JET": {
    "descriptions": [
      "Fax"
    ]
  },
  "JFF": {
    "descriptions": [
      "see JFIF"
    ]
  },
  "JFIF": {
    "descriptions": [
      "JPEG File Interchange Format"
    ]
  },
  "JIF": {
    "descriptions": [
      "see JFIF"
    ]
  },
  "JKS": {
    "descriptions": [
      "Java Keystore"
    ]
  },
  "JMS": {
    "descriptions": [
      "Music format (JMusic file)"
    ]
  },
  "JNLP": {
    "descriptions": [
      "Java Network Launching Protocol"
    ]
  },
  "JNR": {
    "descriptions": [
      "Jinx! file recording"
    ]
  },
  "JNX": {
    "descriptions": [
      "Saved data",
      "Garmin raster map file"
    ]
  },
  "JOB": {
    "descriptions": [
      "Gravostyle engraving pattern file",
      "QUEUE output file"
    ]
  },
  "JOR": {
    "descriptions": [
      "Journal file SQL"
    ]
  },
  "JOU": {
    "descriptions": [
      "Journal backup"
    ]
  },
  "JP2": {
    "descriptions": [
      "JPEG 2000 image"
    ]
  },
  "JPC": {
    "descriptions": [
      "Graphics"
    ]
  },
  "JPEG": {
    "descriptions": [
      "Joint Photographic Experts Group graphics file format"
    ]
  },
  "JPG": {
    "descriptions": [
      "Joint Photographic Group"
    ]
  },
  "JPS": {
    "descriptions": [
      "backup of startup files (AUTOEXEC.BAT, CONFIG.SYS, 4DOS.INI) by installation of 4DOS (JP Software)"
    ]
  },
  "JRE": {
    "descriptions": [
      "Java Runtime Environment"
    ]
  },
  "JRN": {
    "descriptions": [
      "JMP journal"
    ]
  },
  "JS": {
    "descriptions": [
      "JavaScript file"
    ]
  },
  "JSON": {
    "descriptions": [
      "JSON (JavaScript Object Notation)"
    ]
  },
  "JSONLD": {
    "descriptions": [
      "JSON-LD, a JSON-based Serialization for Linked Data"
    ]
  },
  "JSP": {
    "descriptions": [
      "JavaServer Pages"
    ]
  },
  "JTF": {
    "descriptions": [
      "Fax",
      "Graphics (TIFF file with JPEG compression)"
    ]
  },
  "JVX": {
    "descriptions": [
      "Data"
    ]
  },
  "JW": {
    "descriptions": [
      "Text document"
    ]
  },
  "JWL": {
    "descriptions": [
      "Library"
    ]
  },
  "JZZ": {
    "descriptions": [
      "Spreadsheet"
    ]
  },
  "K2A": {
    "descriptions": [
      "Data"
    ]
  },
  "K3D": {
    "descriptions": [
      "Description of macro language 3DS"
    ]
  },
  "K7Z": {
    "descriptions": [
      "Keysight 7-Zip File"
    ]
  },
  "KAP": {
    "descriptions": [
      "Map Info Sea Chart"
    ]
  },
  "KAR": {
    "descriptions": [
      "Music format (Karaoke)",
      "Precompiled .prg for KARAT"
    ]
  },
  "KB": {
    "descriptions": [
      "Keyboard script",
      "Program source",
      "K-Brief in XML format"
    ]
  },
  "KBA": {
    "descriptions": [
      "K-Brief Attachment"
    ]
  },
  "KBASIC": {
    "descriptions": [
      "Source"
    ]
  },
  "KBD": {
    "descriptions": [
      "Keyboard mapping"
    ]
  },
  "KBM": {
    "descriptions": [
      "Keyboard mapping"
    ]
  },
  "KBS": {
    "descriptions": [
      "K-Brief in Encrypted format"
    ]
  },
  "KBZ": {
    "descriptions": [
      "K-Brief in Compressed format"
    ]
  },
  "KCL": {
    "descriptions": [
      "Lisp source code"
    ]
  },
  "KD": {
    "descriptions": [
      "Koara Document"
    ]
  },
  "KDB": {
    "descriptions": [
      "KeePass 1.x database file"
    ]
  },
  "KDBX": {
    "descriptions": [
      "KeePass 2.x database file"
    ]
  },
  "KDC": {
    "descriptions": [
      "Kodak Digital Camera (graphics)"
    ]
  },
  "KEP": {
    "descriptions": [
      "(unknown)"
    ]
  },
  "KEX": {
    "descriptions": [
      "Kedit Macro File"
    ]
  },
  "KEXT": {
    "descriptions": [
      "macOS Kernel Extension[4]"
    ]
  },
  "KEY": {
    "descriptions": [
      "Datafile",
      "Keynote presentation file",
      "Keyboard macros",
      "OS/2 archive .key-file (i.e. OS2.KEY)",
      "Security file e.g. Shareware Registration info",
      "Keynote"
    ]
  },
  "KFDK": {
    "descriptions": [
      "Keysight PathWave FPGA Design File"
    ]
  },
  "KFN": {
    "descriptions": [
      "complex music format|[5]"
    ]
  },
  "KFX": {
    "descriptions": [
      "Kofax Group"
    ]
  },
  "KIT": {
    "descriptions": [
      "Power Chords drum kit file"
    ]
  },
  "KMC": {
    "descriptions": [
      "KatzReview's MegaCrammer"
    ]
  },
  "KML": {
    "descriptions": [
      "Kedit Macro Library Keyhole Markup Language"
    ]
  },
  "KMY": {
    "descriptions": [
      "data"
    ]
  },
  "KMZ": {
    "descriptions": [
      "Keyhole Markup Language (Zip compressed)"
    ]
  },
  "KNO": {
    "descriptions": [
      "Personal Knowbase data file"
    ]
  },
  "KO": {
    "descriptions": [
      "linux kernel object file"
    ]
  },
  "KODE": {
    "descriptions": [
      "Encrypted File"
    ]
  },
  "KODU": {
    "descriptions": [
      "Kodu game save file"
    ]
  },
  "KPL": {
    "descriptions": [
      "source code"
    ]
  },
  "KPP": {
    "descriptions": [
      "Toolpad"
    ]
  },
  "KPS": {
    "descriptions": [
      "IBM KIPS bitmap graphics"
    ]
  },
  "KR1": {
    "descriptions": [
      "Kurzweil 2000 sample file"
    ]
  },
  "KR2": {
    "descriptions": [
      "Kurzweil 2000 sample file"
    ]
  },
  "KRZ": {
    "descriptions": [
      "Kurzweil K2000 File"
    ]
  },
  "KS": {
    "descriptions": [
      "Source code"
    ]
  },
  "KS3": {
    "descriptions": [
      "Data"
    ]
  },
  "KSM": {
    "descriptions": [
      "Pfaff Embroidery Format"
    ]
  },
  "KT": {
    "descriptions": [
      "Kotlin source code"
    ]
  },
  "KTU": {
    "descriptions": [
      "Know The Unknown Online Service Packs"
    ]
  },
  "KWB": {
    "descriptions": [
      "Knowledge WorkBench"
    ]
  },
  "KYB": {
    "descriptions": [
      "Keyboard mapping"
    ]
  },
  "Knn": {
    "descriptions": [
      "Database key file"
    ]
  },
  "L": {
    "descriptions": [
      "LEX source code file",
      "Linker directive file",
      "LISP source code file"
    ]
  },
  "LA0": {
    "descriptions": [
      "Datafile"
    ]
  },
  "LAB": {
    "descriptions": [
      "Datafile",
      "Mailing labels"
    ]
  },
  "LAN": {
    "descriptions": [
      "Erdas image file",
      "LAN Drivers"
    ]
  },
  "LANG": {
    "descriptions": [
      "Language file"
    ]
  },
  "LAS": {
    "descriptions": [
      "Lasso File"
    ]
  },
  "LASSO": {
    "descriptions": [
      "Lasso File"
    ]
  },
  "LAY": {
    "descriptions": [
      "Word chart layout"
    ]
  },
  "LBG": {
    "descriptions": [
      "Label generator data"
    ]
  },
  "LBL": {
    "descriptions": [
      "Label"
    ]
  },
  "LBM": {
    "descriptions": [
      "Graphics format (Amiga)",
      "Linear bitmap graphics"
    ]
  },
  "LBO": {
    "descriptions": [
      "Compiled label"
    ]
  },
  "LBR": {
    "descriptions": [
      ".LBR Archive",
      "Display driver",
      "EAGLE library file"
    ]
  },
  "LBT": {
    "descriptions": [
      "Additional (FPT) label description file"
    ]
  },
  "LBX": {
    "descriptions": [
      "Main (DBF) label description file"
    ]
  },
  "LCF": {
    "descriptions": [
      "Linker Control File"
    ]
  },
  "LCH": {
    "descriptions": [
      "Chart"
    ]
  },
  "LCK": {
    "descriptions": [
      "Lockfile"
    ]
  },
  "LCL": {
    "descriptions": [
      "Data (FTP Software PC/TCP)",
      "Data"
    ]
  },
  "LCN": {
    "descriptions": [
      "Lection"
    ]
  },
  "LCS": {
    "descriptions": [
      "Datafile"
    ]
  },
  "LCW": {
    "descriptions": [
      "Spreadsheet"
    ]
  },
  "LD": {
    "descriptions": [
      "Long Distance codes file"
    ]
  },
  "LD1": {
    "descriptions": [
      "Overlay file"
    ]
  },
  "LDA": {
    "descriptions": [
      "Absolute binary file (load image)"
    ]
  },
  "LDB": {
    "descriptions": [
      "Data filer database",
      "Overlay file"
    ]
  },
  "LDF": {
    "descriptions": [
      "Data filer form",
      "Library definition file"
    ]
  },
  "LDR": {
    "descriptions": [
      "LDraw file"
    ]
  },
  "LDT": {
    "descriptions": [
      "EULUMDAT",
      "Labordatenträger, an xDT application"
    ]
  },
  "LE": {
    "descriptions": [
      "DOS/4GW executable image"
    ]
  },
  "LES": {
    "descriptions": [
      "Lesson (check *.cbt)"
    ]
  },
  "LEV": {
    "descriptions": [
      "Level file"
    ]
  },
  "LEX": {
    "descriptions": [
      "Dictionary"
    ]
  },
  "LFD": {
    "descriptions": [
      "LucasArts resource file"
    ]
  },
  "LFL": {
    "descriptions": [
      "LucasArts resource file"
    ]
  },
  "LFT": {
    "descriptions": [
      "Laser printer font"
    ]
  },
  "LG": {
    "descriptions": [
      "Logo procedure definitions"
    ]
  },
  "LGO": {
    "descriptions": [
      "Logo for header and footer",
      "Startup logo code"
    ]
  },
  "LGP": {
    "descriptions": [
      "LG Plate file"
    ]
  },
  "LGS": {
    "descriptions": [
      "LG Sign file"
    ]
  },
  "LHA": {
    "descriptions": [
      "LHA Archive"
    ]
  },
  "LHW": {
    "descriptions": [
      "Amiga archive"
    ]
  },
  "LIB": {
    "descriptions": [
      "Library file"
    ]
  },
  "LIC": {
    "descriptions": [
      "License file used by some programs to put their license on disk"
    ]
  },
  "LICENSE": {
    "descriptions": [
      "License file used by some programs to put their license on disk"
    ]
  },
  "LIF": {
    "descriptions": [
      "Archive",
      "CA Clipper packed file",
      "Logical Interchange Format data file"
    ]
  },
  "LIM": {
    "descriptions": [
      "Archive"
    ]
  },
  "LIN": {
    "descriptions": [
      "Line types"
    ]
  },
  "LIS": {
    "descriptions": [
      "Listing"
    ]
  },
  "LISP": {
    "descriptions": [
      "LISP source code file"
    ]
  },
  "LIT": {
    "descriptions": [
      "Microsoft E-book file",
      "Web3D File"
    ]
  },
  "LIX": {
    "descriptions": [
      "Log file (history)"
    ]
  },
  "LJ": {
    "descriptions": [
      "Text file for HP LJ II printer"
    ]
  },
  "LL": {
    "descriptions": [
      "LLVM Assembly Language"
    ]
  },
  "LL3": {
    "descriptions": [
      "LapLink III related file (document)"
    ]
  },
  "LM": {
    "descriptions": [
      "Auran Jet LOD mesh table (text file to control LODs)"
    ]
  },
  "LMP": {
    "descriptions": [
      "Doom lump (data file, commonly \"demo\" recordings)"
    ]
  },
  "LNG": {
    "descriptions": [
      "Language definition file"
    ]
  },
  "LNK": {
    "descriptions": [
      "Linker response file",
      "Linker script",
      "Windows 95 shortcut",
      "Windows XP shortcut"
    ]
  },
  "LOADERS": {
    "descriptions": [
      "Loaders"
    ]
  },
  "LOCK": {
    "descriptions": [
      "Lockfile"
    ]
  },
  "LOD": {
    "descriptions": [
      "Load file"
    ]
  },
  "LOG": {
    "descriptions": [
      "Log file"
    ]
  },
  "LOM": {
    "descriptions": [
      "3D Model"
    ]
  },
  "LOVE": {
    "descriptions": [
      "LÖVE Game File"
    ]
  },
  "LPC": {
    "descriptions": [
      "Printer driver"
    ]
  },
  "LRC": {
    "descriptions": [
      "Lyrics data"
    ]
  },
  "LRF": {
    "descriptions": [
      "Linker response file",
      "Unencrypted BroadBand eBook file"
    ]
  },
  "LRMODULE": {
    "descriptions": [
      "Adobe Photoshop Lightroom Module"
    ]
  },
  "LRP": {
    "descriptions": [
      "Report"
    ]
  },
  "LRPLUGIN": {
    "descriptions": [
      "Adobe Photoshop Lightroom Plug-in"
    ]
  },
  "LRS": {
    "descriptions": [
      "Language Resource File"
    ]
  },
  "LRWEB": {
    "descriptions": [
      "Adobe Photoshop Lightroom Web Gallery"
    ]
  },
  "LRX": {
    "descriptions": [
      "Encrypted BroadBand eBook file"
    ]
  },
  "LS": {
    "descriptions": [
      "LiveScript source code file"
    ]
  },
  "LSA": {
    "descriptions": [
      "Lightscape Technologies ASCII",
      "Lingvo system audio"
    ]
  },
  "LSB": {
    "descriptions": [
      "Lightscape Technologies Binary"
    ]
  },
  "LSC": {
    "descriptions": [
      "Leostream Connect file"
    ]
  },
  "LSD": {
    "descriptions": [
      "Lingvo system dictionary"
    ]
  },
  "LSP": {
    "descriptions": [
      "LISP source code file"
    ]
  },
  "LSS": {
    "descriptions": [
      "Spreadsheet",
      "SYSLINUX Splash Screen Graphic"
    ]
  },
  "LST": {
    "descriptions": [
      "Aus. BOM Hourly weather Data",
      "Filelist",
      "Keyboard macro",
      "List file (archive index - compiler listfile)",
      "Listing (e.g. source code)",
      "Map list",
      "Spool file",
      "SLP output file"
    ]
  },
  "LTA": {
    "descriptions": [
      "Data"
    ]
  },
  "LTM": {
    "descriptions": [
      "Form (Lotus Forms)"
    ]
  },
  "LUA": {
    "descriptions": [
      "Lua script file"
    ]
  },
  "LUD": {
    "descriptions": [
      "Lingvo user dictionary"
    ]
  },
  "LUW": {
    "descriptions": [
      "label data file"
    ]
  },
  "LUX": {
    "descriptions": [
      "2D and 3D graphics data file"
    ]
  },
  "LUZ": {
    "descriptions": [
      "3D graphics data file"
    ]
  },
  "LWD": {
    "descriptions": [
      "Text document"
    ]
  },
  "LWO": {
    "descriptions": [
      "Lightwave Object Format"
    ]
  },
  "LWP": {
    "descriptions": [
      "Word processor"
    ]
  },
  "LXF": {
    "descriptions": [
      "Lego Exchange Format"
    ]
  },
  "LXO": {
    "descriptions": [
      "Luxology scene"
    ]
  },
  "LXT": {
    "descriptions": [
      "Temporal database file"
    ]
  },
  "LY": {
    "descriptions": [
      "LilyPond Notation File"
    ]
  },
  "LYR": {
    "descriptions": [
      "Lyrics (ASCII)"
    ]
  },
  "LYT": {
    "descriptions": [
      "Document Layout file"
    ]
  },
  "LZ": {
    "descriptions": [
      "Archive"
    ]
  },
  "LZD": {
    "descriptions": [
      "Difference file for binaries"
    ]
  },
  "LZH": {
    "descriptions": [
      "LHA Archive"
    ]
  },
  "LZS": {
    "descriptions": [
      "LHA Archive"
    ]
  },
  "LZW": {
    "descriptions": [
      "Archive"
    ]
  },
  "LZX": {
    "descriptions": [
      "Amiga Archive"
    ]
  },
  "M": {
    "descriptions": [
      "Mathematica Package File",
      "MATLAB M-File",
      "Mercury Source File",
      "Source code"
    ]
  },
  "M2": {
    "descriptions": [
      "WoW Model Object file"
    ]
  },
  "M2TS": {
    "descriptions": [
      "MPEG 2 Transport Stream"
    ]
  },
  "M3U": {
    "descriptions": [
      "M3U playlist file"
    ]
  },
  "M3U8": {
    "descriptions": [
      "Unicode version of M3U playlist file (UTF-8)"
    ]
  },
  "M4": {
    "descriptions": [
      "m4 macro file"
    ]
  },
  "M4A": {
    "descriptions": [
      "Advanced Audio Coding"
    ]
  },
  "M4P": {
    "descriptions": [
      "Advanced Video Coding (Protected)"
    ]
  },
  "M4V": {
    "descriptions": [
      "Advanced Video Coding (See MP4)"
    ]
  },
  "M4r": {
    "descriptions": [
      "iPhone ringtone"
    ]
  },
  "M7P": {
    "descriptions": [
      "Multilizer 2007 and 2009 localization project file"
    ]
  },
  "M8M": {
    "descriptions": [
      "8MAM8 Model File"
    ]
  },
  "MAFF": {
    "descriptions": [
      "Mozilla Archive Format"
    ]
  },
  "MAI": {
    "descriptions": [
      "Mail"
    ]
  },
  "MAK": {
    "descriptions": [
      "Makefile",
      "Project file"
    ]
  },
  "MAN": {
    "descriptions": [
      "User guide (manual)"
    ]
  },
  "MANAGER": {
    "descriptions": [
      "Accounting data file"
    ]
  },
  "MANIFEST": {
    "descriptions": [
      "Manifest file"
    ]
  },
  "MAP": {
    "descriptions": [
      "Color palette file",
      "Format data",
      "Linker map file",
      "Map file (usually created by compilers)",
      "Map",
      "Network map",
      "Game map for Duke Nukem 3D"
    ]
  },
  "MAR": {
    "descriptions": [
      "Assembly program",
      "Microsoft ARchive",
      "Mozilla ARchive"
    ]
  },
  "MAS": {
    "descriptions": [
      "SmartMaster set"
    ]
  },
  "MAT": {
    "descriptions": [
      "Data",
      "Microsoft Access Table"
    ]
  },
  "MAX": {
    "descriptions": [
      "MAX source code file",
      "Pfaff Embroidery Format"
    ]
  },
  "MB": {
    "descriptions": [
      "Memo field values for database"
    ]
  },
  "MBK": {
    "descriptions": [
      "Multiple index file backup"
    ]
  },
  "MBP": {
    "descriptions": [
      "Metadata"
    ]
  },
  "MBR": {
    "descriptions": [
      "Master Boot Record File"
    ]
  },
  "MBX": {
    "descriptions": [
      "Mailbox data"
    ]
  },
  "MCA": {
    "descriptions": [
      "Minecraft \"Anvil\" world format"
    ]
  },
  "MCC": {
    "descriptions": [
      "Configuration file"
    ]
  },
  "MCD": {
    "descriptions": [
      "MathCad file"
    ]
  },
  "MCF": {
    "descriptions": [
      "Font file",
      "Photo book or photo calendar layout file",
      "Multimedia Container Format (predecessor of Matroska)"
    ]
  },
  "MCI": {
    "descriptions": [
      "MCI command script"
    ]
  },
  "MCL": {
    "descriptions": [
      "Multi Edit macro library",
      "Cartesian manipulator for laser systems"
    ]
  },
  "MCP": {
    "descriptions": [
      "Application script",
      "Printer driver"
    ]
  },
  "MCR": {
    "descriptions": [
      "Minecraft saved world \"region\" file"
    ]
  },
  "MCW": {
    "descriptions": [
      "Text file"
    ]
  },
  "MD": {
    "descriptions": [
      "Archive",
      "Markdown-formatted text file"
    ]
  },
  "MD2": {
    "descriptions": [
      "Quake 2 Model File"
    ]
  },
  "MD3": {
    "descriptions": [
      "Quake 3 Model File"
    ]
  },
  "MD5": {
    "descriptions": [
      "Doom 3 and Quake 4 Model File",
      "MD5 checksum"
    ]
  },
  "MDA": {
    "descriptions": [
      "Data",
      "Microsoft Access system database"
    ]
  },
  "MDB": {
    "descriptions": [
      "Microsoft DataBase"
    ]
  },
  "MDF": {
    "descriptions": [
      "Media Descriptor File, binary files in which the actual disc (CD/DVD) data is stored",
      "Master Data File, a Microsoft SQL Server file type",
      "Measurement Data Format, a binary file format for vector measurement data"
    ]
  },
  "MDI": {
    "descriptions": [
      "Document save in high-resolution, created by MSOffice to scan documents (OCR) and turn them into a .DOC"
    ]
  },
  "MDL": {
    "descriptions": [
      "Model",
      "Spreadsheet",
      "GoldSrc Model File (Quake-Based Engine)",
      "Source Engine Model File",
      "Quake 1 Model File",
      "Nintendo GameCube Luigi's Mansion Model"
    ]
  },
  "MDM": {
    "descriptions": [
      "Modem definition file"
    ]
  },
  "MDMP": {
    "descriptions": [
      "Mini dumpfile"
    ]
  },
  "MDR": {
    "descriptions": [
      "Microdrive file"
    ]
  },
  "MDS": {
    "descriptions": [
      "Midi Session"
    ]
  },
  "MDT": {
    "descriptions": [
      "Data table"
    ]
  },
  "MDX": {
    "descriptions": [
      "Multiple index file"
    ]
  },
  "MDZ": {
    "descriptions": [
      "Text description of music module"
    ]
  },
  "ME": {
    "descriptions": [
      "MultiEdit configuration",
      "Text file READ.ME"
    ]
  },
  "MEB": {
    "descriptions": [
      "Macro Editor bottom overflow file"
    ]
  },
  "MEC": {
    "descriptions": [
      "MECCA source"
    ]
  },
  "MED": {
    "descriptions": [
      "Macro Editor delete save",
      "Music format"
    ]
  },
  "MEM": {
    "descriptions": [
      "Macro Editor macro",
      "Memory variable save file",
      "Memos datafile",
      "Mnemosyne database"
    ]
  },
  "MEQ": {
    "descriptions": [
      "Macro Editor print queue file"
    ]
  },
  "MER": {
    "descriptions": [
      "Macro Editor resident area (vakioalue)"
    ]
  },
  "MES": {
    "descriptions": [
      "Macro Editor work space file",
      "Message"
    ]
  },
  "MET": {
    "descriptions": [
      "Document",
      "Macro Editor top overflow file",
      "OS/2 graphics metafile"
    ]
  },
  "MEU": {
    "descriptions": [
      "Menu group"
    ]
  },
  "MEX": {
    "descriptions": [
      "Macro Editor expound file",
      "MEX file (executable command)"
    ]
  },
  "MF": {
    "descriptions": [
      "Metafont file"
    ]
  },
  "MFA": {
    "descriptions": [
      "Source code file"
    ]
  },
  "MFF": {
    "descriptions": [
      "MIDI"
    ]
  },
  "MFM": {
    "descriptions": [
      "Music format"
    ]
  },
  "MGF": {
    "descriptions": [
      "Font",
      "Materials and Geometry Format"
    ]
  },
  "MGX": {
    "descriptions": [
      "Designer 4.1 Drawing"
    ]
  },
  "MHT": {
    "descriptions": [
      "Web Archive Single File"
    ]
  },
  "MIB": {
    "descriptions": [
      "Snmp MIB file"
    ]
  },
  "MID": {
    "descriptions": [
      "Standard MIDI file"
    ]
  },
  "MIDI": {
    "descriptions": [
      "See MID"
    ]
  },
  "MIFF": {
    "descriptions": [
      "Magick Image File Format"
    ]
  },
  "MII": {
    "descriptions": [
      "Datafile"
    ]
  },
  "MIME": {
    "descriptions": [
      "Message in MIME format (RFC822)"
    ]
  },
  "MIO": {
    "descriptions": [
      "MyInfo topic"
    ]
  },
  "MIS": {
    "descriptions": [
      "Mission, used by many games"
    ]
  },
  "MIT": {
    "descriptions": [
      "Mitsubishi Embroidery Format"
    ]
  },
  "MIX": {
    "descriptions": [
      "Object file"
    ]
  },
  "MJS": {
    "descriptions": [
      "JavaScript Module"
    ]
  },
  "MK": {
    "descriptions": [
      "Makefile"
    ]
  },
  "MKE": {
    "descriptions": [
      "Makefile"
    ]
  },
  "MKG": {
    "descriptions": [
      "Makefile"
    ]
  },
  "MKI": {
    "descriptions": [
      "Graphics format (Japan MKI)",
      "Japanese graphics MAKIchan format"
    ]
  },
  "MKS": {
    "descriptions": [
      "Data"
    ]
  },
  "MKV": {
    "descriptions": [
      "Matroska Multimedia Container"
    ]
  },
  "ML3": {
    "descriptions": [
      "Project"
    ]
  },
  "MLB": {
    "descriptions": [
      "Macro library file"
    ]
  },
  "MLI": {
    "descriptions": [
      "3DS Materials Libraries"
    ]
  },
  "MLRAW": {
    "descriptions": [
      "Data"
    ]
  },
  "MLV": {
    "descriptions": [
      "LabVIEW MathScript"
    ]
  },
  "MM": {
    "descriptions": [
      "Text file",
      "Source code"
    ]
  },
  "MMF": {
    "descriptions": [
      "Mail message file"
    ]
  },
  "MMM": {
    "descriptions": [
      "Multimedia movie file, RIFF RMMP format"
    ]
  },
  "MMO": {
    "descriptions": [
      "Memo writer file"
    ]
  },
  "MMP": {
    "descriptions": [
      "Output video format from Bravado board"
    ]
  },
  "MN": {
    "descriptions": [
      "MuPAD Pro Notebook"
    ]
  },
  "MND": {
    "descriptions": [
      "Menu source"
    ]
  },
  "MNG": {
    "descriptions": [
      "Map"
    ]
  },
  "MNT": {
    "descriptions": [
      "Additional (FPT) menu description file",
      "Menu memo",
      "Surface metrology or image analysis document"
    ]
  },
  "MNU": {
    "descriptions": [
      "Advanced macro file",
      "Menu",
      "Microsoft Mouse menu (for DOS apps)"
    ]
  },
  "MNX": {
    "descriptions": [
      "Compiled menu file",
      "Main (DBF) menu description file"
    ]
  },
  "MNY": {
    "descriptions": [
      "Account book"
    ]
  },
  "MO": {
    "descriptions": [
      "Language file"
    ]
  },
  "MO?": {
    "descriptions": [
      "Packed mail"
    ]
  },
  "MOB": {
    "descriptions": [
      "Device definition file"
    ]
  },
  "MOBI": {
    "descriptions": [
      "eBook"
    ]
  },
  "MOD": {
    "descriptions": [
      "AMPL model file",
      "Modula language source",
      "MODULA-2 source code file",
      "Module—used by Windows for DLL which implement DOS support",
      "Music format (Amiga module)"
    ]
  },
  "MODULES": {
    "descriptions": [
      "Module"
    ]
  },
  "MOL": {
    "descriptions": [
      "MOD4WIN PlayList",
      "MDL Molfile"
    ]
  },
  "MOL2": {
    "descriptions": [
      "Tripos’ Sybyl MOL2 Format"
    ]
  },
  "MON": {
    "descriptions": [
      "SYSGEN monitor build procedure",
      "Monitor description"
    ]
  },
  "MOP": {
    "descriptions": [
      "MOPAC input file"
    ]
  },
  "MOV": {
    "descriptions": [
      "Animation format (Mac)",
      "Movie file"
    ]
  },
  "MP2": {
    "descriptions": [
      "Mpeg audio file"
    ]
  },
  "MP3": {
    "descriptions": [
      "MPEG audio stream, layer 3"
    ]
  },
  "MP4": {
    "descriptions": [
      "multimedia container format, MPEG 4 Part 14"
    ]
  },
  "MPA": {
    "descriptions": [
      "MPEG audio stream, layer 1,2,3"
    ]
  },
  "MPC": {
    "descriptions": [
      "Calendar file",
      "Musepack audio"
    ]
  },
  "MPD": {
    "descriptions": [
      "LDraw file (multi-part DAT file)"
    ]
  },
  "MPEG": {
    "descriptions": [
      "multimedia containter format, video, audio"
    ]
  },
  "MPG": {
    "descriptions": [
      "see MPEG"
    ]
  },
  "MPKG": {
    "descriptions": [
      "Multipackage installer script"
    ]
  },
  "MPL": {
    "descriptions": [
      "MediaRack Midi Playlist"
    ]
  },
  "MPM": {
    "descriptions": [
      "MathPlan macro"
    ]
  },
  "MPP": {
    "descriptions": [
      "Project file"
    ]
  },
  "MPPZ": {
    "descriptions": [
      "MagicPlot project file"
    ]
  },
  "MPQ": {
    "descriptions": [
      "Mo'PaQ Archive"
    ]
  },
  "MPR": {
    "descriptions": [
      "Generated executable menu file",
      "Multilizer 5.x and 6.x localization project file",
      "Command & Conquer: Red Alert 2 map file"
    ]
  },
  "MPT": {
    "descriptions": [
      "Bitmap graphics (Multipage TIFF)"
    ]
  },
  "MPV": {
    "descriptions": [
      "View file"
    ]
  },
  "MPX": {
    "descriptions": [
      "Compiled executable menu file",
      "Video format"
    ]
  },
  "MPZ": {
    "descriptions": [
      "Miradi Project Zipfile"
    ]
  },
  "MQ4": {
    "descriptions": [
      "MetaQuotes Language 4 (MQL4) source code file"
    ]
  },
  "MQ5": {
    "descriptions": [
      "MetaQuotes Language 5 (MQL5) source code file"
    ]
  },
  "MQH": {
    "descriptions": [
      "MetaQuotes Language (MQL4 or MQL5) header file"
    ]
  },
  "MRB": {
    "descriptions": [
      "Multiple Resolution Bitmap graphics file"
    ]
  },
  "MRC": {
    "descriptions": [
      "mIRC file"
    ]
  },
  "MRK": {
    "descriptions": [
      "Windows User Benchmark"
    ]
  },
  "MRS": {
    "descriptions": [
      "Macro Resource file"
    ]
  },
  "MS": {
    "descriptions": [
      "Microsoft antivirus report"
    ]
  },
  "MSC": {
    "descriptions": [
      "Microsoft C makefile",
      "management saved console[1]"
    ]
  },
  "MSD": {
    "descriptions": [
      "Secure and Encrypted File"
    ]
  },
  "MSDL": {
    "descriptions": [
      "Manchester Scene Description Language"
    ]
  },
  "MSDVD": {
    "descriptions": [
      "Windows DVD Maker Project"
    ]
  },
  "MSE": {
    "descriptions": [
      "Set file"
    ]
  },
  "MSG": {
    "descriptions": [
      "Message base (e.g. HMB)",
      "Message text file (ASCII)",
      "ZVoice digitized voice file"
    ]
  },
  "MSI": {
    "descriptions": [
      "Windows Installer Package"
    ]
  },
  "MSN": {
    "descriptions": [
      "Project"
    ]
  },
  "MSO": {
    "descriptions": [
      "Microsoft Word OLE Web Page Storage Stream",
      "Microsoft Outlook metadata for a Microsoft Word 2000 email attachment[3]"
    ]
  },
  "MSP": {
    "descriptions": [
      "Bitmap graphics file",
      "Windows Installer Patch"
    ]
  },
  "MSPRODUCER": {
    "descriptions": [
      "Media Project"
    ]
  },
  "MSQM": {
    "descriptions": [
      "data"
    ]
  },
  "MSS": {
    "descriptions": [
      "Manuscript text file"
    ]
  },
  "MST": {
    "descriptions": [
      "Document",
      "Minispecification file",
      "Setup script file"
    ]
  },
  "MSW": {
    "descriptions": [
      "Text file"
    ]
  },
  "MSX": {
    "descriptions": [
      "CP/M archive"
    ]
  },
  "MTH": {
    "descriptions": [
      "Math file"
    ]
  },
  "MTL": {
    "descriptions": [
      "Wavefront"
    ]
  },
  "MTM": {
    "descriptions": [
      "Music format"
    ]
  },
  "MTS": {
    "descriptions": [
      "Master Track Pro Files",
      "data",
      "MPEG 2 Transport Stream"
    ]
  },
  "MTV": {
    "descriptions": [
      "MTV Ray Tracer graphic file"
    ]
  },
  "MTW": {
    "descriptions": [
      "Datafile"
    ]
  },
  "MU": {
    "descriptions": [
      "Quattro pro for DOS Menu definition file"
    ]
  },
  "MUI": {
    "descriptions": [
      "Multilingual User Interface"
    ]
  },
  "MUM": {
    "descriptions": [
      "MATLAB CAPE-OPEN Unit Operation Model file",
      "Microsoft update file"
    ]
  },
  "MUS": {
    "descriptions": [
      "Finale music document",
      "Music format (MIDI in Doom)",
      "Sound file"
    ]
  },
  "MUZ": {
    "descriptions": [
      "Hover Game MIDI File"
    ]
  },
  "MVF": {
    "descriptions": [
      "Stop frame file"
    ]
  },
  "MVI": {
    "descriptions": [
      "Movie command file"
    ]
  },
  "MVO": {
    "descriptions": [
      "Data"
    ]
  },
  "MVW": {
    "descriptions": [
      "Log file"
    ]
  },
  "MWF": {
    "descriptions": [
      "Animation"
    ]
  },
  "MWS": {
    "descriptions": [
      "MWave DSP synths instrument"
    ]
  },
  "MXF": {
    "descriptions": [
      "Material exchange format (RFC 4539, SMPTE 377M)"
    ]
  },
  "MXL": {
    "descriptions": [
      "PackRat 5.0 support DLLs"
    ]
  },
  "MXM": {
    "descriptions": [
      "Material"
    ]
  },
  "MXP": {
    "descriptions": [
      "Adobe Extension File",
      "3ds Max Configuration File",
      "MasterCook exported recipe"
    ]
  },
  "MXT": {
    "descriptions": [
      "Data"
    ]
  },
  "MYD": {
    "descriptions": [
      "a MyISAM data file in MySQL"
    ]
  },
  "MYI": {
    "descriptions": [
      "a MyISAM index file in MySQL"
    ]
  },
  "MYP": {
    "descriptions": [
      "Presentation"
    ]
  },
  "MZ": {
    "descriptions": [
      "Binary-format Map"
    ]
  },
  "MZE": {
    "descriptions": [
      "Text-format Map"
    ]
  },
  "MZG": {
    "descriptions": [
      "Binary-format Map Collection"
    ]
  },
  "MZX": {
    "descriptions": [
      "Binary-format Encrypted Map"
    ]
  },
  "Mediawiki": {
    "descriptions": [
      "Wiki markup"
    ]
  },
  "NAM": {
    "descriptions": [
      "Name Space Modules"
    ]
  },
  "NAP": {
    "descriptions": [
      "Naplps file (VideoShow)"
    ]
  },
  "NAPLPS": {
    "descriptions": [
      "North American Presentation Layer Protocol Syntax"
    ]
  },
  "NASL": {
    "descriptions": [
      "Nessus Attack Scripting Language"
    ]
  },
  "NB": {
    "descriptions": [
      "Text file",
      "Wolfram Mathematica Notebook (see Wolfram Language)"
    ]
  },
  "NBF": {
    "descriptions": [
      "Nokia Backup File"
    ]
  },
  "NBS": {
    "descriptions": [
      "Minecraft Note Block Studio file"
    ]
  },
  "NBT": {
    "descriptions": [
      "Minecraft Named Binary Tag file"
    ]
  },
  "NBU": {
    "descriptions": [
      "Nokia Backup"
    ]
  },
  "NC": {
    "descriptions": [
      "Binary Data",
      "Instructions for NC (Numerical Control) machine",
      "Name code program",
      "Non-error checking preprocessed Goc source code"
    ]
  },
  "NCC": {
    "descriptions": [
      "CNC (Computer Numeric Control) control file"
    ]
  },
  "NCD": {
    "descriptions": [
      "NC Drill File (Excellon Format, printed circuit board hole definitions)",
      "Norton Change Directory support file"
    ]
  },
  "NCP": {
    "descriptions": [
      "Re-volt Collision file"
    ]
  },
  "ND": {
    "descriptions": [
      "NetConnect data file. Contains information on multi-user access to the company file."
    ]
  },
  "NDB": {
    "descriptions": [
      "Network database"
    ]
  },
  "NDL": {
    "descriptions": [
      "Nodelist file"
    ]
  },
  "NDS": {
    "descriptions": [
      "Nintendo DS ROM file used for Homebrew and commercial (Game) files on DS"
    ]
  },
  "NDX": {
    "descriptions": [
      "Index file"
    ]
  },
  "NEF": {
    "descriptions": [
      "Nikon RAW image format"
    ]
  },
  "NEIS": {
    "descriptions": [
      "Korean Student Record Document"
    ]
  },
  "NEO": {
    "descriptions": [
      "Raster graphics file"
    ]
  },
  "NES": {
    "descriptions": [
      "iNES ROM image format"
    ]
  },
  "NET": {
    "descriptions": [
      "Network configuration/info file"
    ]
  },
  "NEU": {
    "descriptions": [
      "Pro/Engineer neutral file format"
    ]
  },
  "NEW": {
    "descriptions": [
      "Ameco Embroidery Format",
      "New info"
    ]
  },
  "NFF": {
    "descriptions": [
      "Haines Neutral File Format",
      "WorldToolKit Neutral File Format"
    ]
  },
  "NFO": {
    "descriptions": [
      "Folioview database",
      "Help format",
      "Info file"
    ]
  },
  "NG": {
    "descriptions": [
      "Hypertext Database"
    ]
  },
  "NGC": {
    "descriptions": [
      "G-Code file"
    ]
  },
  "NGO": {
    "descriptions": [
      "NG linker object file"
    ]
  },
  "NGS": {
    "descriptions": [
      "NG compiler source file"
    ]
  },
  "NIF": {
    "descriptions": [
      "netimmerse/gamebyro file"
    ]
  },
  "NIL": {
    "descriptions": [
      "NIL"
    ]
  },
  "NITF": {
    "descriptions": [
      "National Imagery Transmission Format"
    ]
  },
  "NK2": {
    "descriptions": [
      "e-mail address autocomplete archive"
    ]
  },
  "NL": {
    "descriptions": [
      "Norton Desktop Icon Library"
    ]
  },
  "NLM": {
    "descriptions": [
      "Netware loadable module"
    ]
  },
  "NLS": {
    "descriptions": [
      "National Language Support file"
    ]
  },
  "NLX": {
    "descriptions": [
      "Form"
    ]
  },
  "NORM": {
    "descriptions": [
      "Normal file (Photo of screen showing Excel file - embedded in Word file)"
    ]
  },
  "NOT": {
    "descriptions": [
      "Notation",
      "Yard Notes File"
    ]
  },
  "NOTE": {
    "descriptions": [
      "Notability Note File"
    ]
  },
  "NP": {
    "descriptions": [
      "Project schedule (Nokia Planner)"
    ]
  },
  "NPI": {
    "descriptions": [
      "Source for DGEN.EXE interpreter"
    ]
  },
  "NPJ": {
    "descriptions": [
      "Nile Project"
    ]
  },
  "NPR": {
    "descriptions": [
      "Nuendo Project File"
    ]
  },
  "NRG": {
    "descriptions": [
      "Nero Disc Image File"
    ]
  },
  "NRW": {
    "descriptions": [
      "Nikon Coolpix RAW image"
    ]
  },
  "NSA": {
    "descriptions": [
      "media"
    ]
  },
  "NSF": {
    "descriptions": [
      "database",
      "Music module"
    ]
  },
  "NSS": {
    "descriptions": [
      "Norton screensaver module"
    ]
  },
  "NST": {
    "descriptions": [
      "Music module"
    ]
  },
  "NSV": {
    "descriptions": [
      "media"
    ]
  },
  "NSX": {
    "descriptions": [
      "Compound index file"
    ]
  },
  "NT": {
    "descriptions": [
      "Startup files"
    ]
  },
  "NT3": {
    "descriptions": [
      "BAHN Layout file"
    ]
  },
  "NTF": {
    "descriptions": [
      "database design template"
    ]
  },
  "NTH": {
    "descriptions": [
      "Nokia Theme File"
    ]
  },
  "NTR": {
    "descriptions": [
      "Executable ASCII text file (strip header and rename)"
    ]
  },
  "NTS": {
    "descriptions": [
      "Executable ASCII text file (strip header and rename)",
      "Tutorial"
    ]
  },
  "NTX": {
    "descriptions": [
      "Database index file"
    ]
  },
  "NUF": {
    "descriptions": [
      "Message for new users on their 1st call"
    ]
  },
  "NUG": {
    "descriptions": [
      "Video Nugget"
    ]
  },
  "NUMBERS": {
    "descriptions": [
      "Numbers spreadsheet file"
    ]
  },
  "NV": {
    "descriptions": [
      "NewViews DOS accounting database"
    ]
  },
  "NV2": {
    "descriptions": [
      "NewViews accounting database"
    ]
  },
  "NWC": {
    "descriptions": [
      "Note Worthy document"
    ]
  },
  "NWS": {
    "descriptions": [
      "Info text file (latest news) (ASCII)"
    ]
  },
  "NXT": {
    "descriptions": [
      "Sound (NeXT format)"
    ]
  },
  "O": {
    "descriptions": [
      "Object file"
    ]
  },
  "O$$": {
    "descriptions": [
      "Outfile"
    ]
  },
  "O01": {
    "descriptions": [
      "Typhoon vOice file"
    ]
  },
  "OAR": {
    "descriptions": [
      "OmegaARc file archive format"
    ]
  },
  "OAZ": {
    "descriptions": [
      "Fax"
    ]
  },
  "OB": {
    "descriptions": [
      "Object cut/paste file"
    ]
  },
  "OBD": {
    "descriptions": [
      "Microsoft Office Binder"
    ]
  },
  "OBJ": {
    "descriptions": [
      "Compiled machine language code",
      "Object code",
      "Wavefront Object"
    ]
  },
  "OBJF": {
    "descriptions": [
      "Data"
    ]
  },
  "OBR": {
    "descriptions": [
      "Object browser data file"
    ]
  },
  "OBS": {
    "descriptions": [
      "Script"
    ]
  },
  "OBT": {
    "descriptions": [
      "Microsoft Office Binder Template"
    ]
  },
  "OBV": {
    "descriptions": [
      "Visual interface"
    ]
  },
  "OBZ": {
    "descriptions": [
      "Microsoft Office Binder Wizard"
    ]
  },
  "OCD": {
    "descriptions": [
      "OCAD Map File"
    ]
  },
  "OCF": {
    "descriptions": [
      "Object Craft File"
    ]
  },
  "OCR": {
    "descriptions": [
      "Incoming fax transcribed to text"
    ]
  },
  "OCT": {
    "descriptions": [
      "Musical file"
    ]
  },
  "OCX": {
    "descriptions": [
      "New Custom Control's format in VB 4.0",
      "OLE custom control"
    ]
  },
  "ODB": {
    "descriptions": [
      "OpenDocument database"
    ]
  },
  "ODC": {
    "descriptions": [
      "Microsoft Office Data Connection"
    ]
  },
  "ODF": {
    "descriptions": [
      "OpenDocument formula"
    ]
  },
  "ODG": {
    "descriptions": [
      "OpenDocument drawing"
    ]
  },
  "ODIF": {
    "descriptions": [
      "Open Document Interchange Format"
    ]
  },
  "ODL": {
    "descriptions": [
      "Object Description Language",
      "Type library source"
    ]
  },
  "ODM": {
    "descriptions": [
      "OpenDocument master document"
    ]
  },
  "ODP": {
    "descriptions": [
      "OpenDocument presentation"
    ]
  },
  "ODS": {
    "descriptions": [
      "OpenDocument spreadsheet"
    ]
  },
  "ODT": {
    "descriptions": [
      "OpenDocument text document"
    ]
  },
  "OEACCOUNT": {
    "descriptions": [
      "XML format, account files"
    ]
  },
  "OFD": {
    "descriptions": [
      "Form definition"
    ]
  },
  "OFF": {
    "descriptions": [
      "Object File Format vector graphics file",
      "Object File Format vector graphics"
    ]
  },
  "OFM": {
    "descriptions": [
      "PostScript font description file"
    ]
  },
  "OFN": {
    "descriptions": [
      "Microsoft Office documents"
    ]
  },
  "OGG": {
    "descriptions": [
      "Ogg multimedia container format"
    ]
  },
  "OHB": {
    "descriptions": [
      "Source"
    ]
  },
  "OHS": {
    "descriptions": [
      "Outbound History"
    ]
  },
  "OIF": {
    "descriptions": [
      "QuickBase file format"
    ]
  },
  "OKT": {
    "descriptions": [
      "Music (8 channels)",
      "Music format"
    ]
  },
  "OLB": {
    "descriptions": [
      "Object library"
    ]
  },
  "OLD": {
    "descriptions": [
      "Backup file"
    ]
  },
  "OLI": {
    "descriptions": [
      "Text file"
    ]
  },
  "OLK14CONTACT": {
    "descriptions": [
      "olk14_contact"
    ]
  },
  "OLM": {
    "descriptions": [
      "Outlook for Mac Data File"
    ]
  },
  "OLSR": {
    "descriptions": [
      "Configuration file"
    ]
  },
  "OMA": {
    "descriptions": [
      "Audio file"
    ]
  },
  "OMF": {
    "descriptions": [
      "Open Media Framework"
    ]
  },
  "OMG": {
    "descriptions": [
      "Audio file"
    ]
  },
  "ONE": {
    "descriptions": [
      "OneNote Section"
    ]
  },
  "ONEPKG": {
    "descriptions": [
      "OneNote Single File Package"
    ]
  },
  "ONETOC": {
    "descriptions": [
      "OneNote 2003 Table Of Contents"
    ]
  },
  "ONETOC2": {
    "descriptions": [
      "OneNote Table Of Contents"
    ]
  },
  "OOF": {
    "descriptions": [
      "Data"
    ]
  },
  "OOG": {
    "descriptions": [
      "Data"
    ]
  },
  "OOM": {
    "descriptions": [
      "Swap file"
    ]
  },
  "OPJ": {
    "descriptions": [
      "Origin Project File"
    ]
  },
  "OPN": {
    "descriptions": [
      "Active options"
    ]
  },
  "OPT": {
    "descriptions": [
      "Options",
      "Delphi project options",
      "Optimize support file"
    ]
  },
  "OPUS": {
    "descriptions": [
      "Ogg/Opus audio file"
    ]
  },
  "OPW": {
    "descriptions": [
      "Organization chart"
    ]
  },
  "OPX": {
    "descriptions": [
      "Inactive options"
    ]
  },
  "OR2": {
    "descriptions": [
      "Calendar file"
    ]
  },
  "OR3": {
    "descriptions": [
      "Calendar file"
    ]
  },
  "OR4": {
    "descriptions": [
      "Calendar file"
    ]
  },
  "OR5": {
    "descriptions": [
      "Calendar file"
    ]
  },
  "OR6": {
    "descriptions": [
      "Calendar file"
    ]
  },
  "ORA": {
    "descriptions": [
      "Parameter file"
    ]
  },
  "ORC": {
    "descriptions": [
      "Orchestra MIDI file"
    ]
  },
  "ORG": {
    "descriptions": [
      "Emacs Org mode",
      "Calendar file",
      "Older Origin Project"
    ]
  },
  "OSB": {
    "descriptions": [
      "osu! storyboard"
    ]
  },
  "OSC": {
    "descriptions": [
      "OpenStreetMap Changeset"
    ]
  },
  "OSK": {
    "descriptions": [
      "osu! skin"
    ]
  },
  "OSM": {
    "descriptions": [
      "OpenStreetMap data",
      "OpenStreetMap note"
    ]
  },
  "OSR": {
    "descriptions": [
      "osu! replay"
    ]
  },
  "OST": {
    "descriptions": [
      "Offline Storage Table"
    ]
  },
  "OSU": {
    "descriptions": [
      "osu! beatmap"
    ]
  },
  "OSZ": {
    "descriptions": [
      "osu! beatmapset"
    ]
  },
  "OTB": {
    "descriptions": [
      "Over-the-air bitmap graphics"
    ]
  },
  "OTF": {
    "descriptions": [
      "Subtitle font information for media content"
    ]
  },
  "OTG": {
    "descriptions": [
      "OpenDocument drawing template"
    ]
  },
  "OTH": {
    "descriptions": [
      "OpenDocument HTML document template"
    ]
  },
  "OTL": {
    "descriptions": [
      "Outline font description",
      "Ventura Publisher's Type Foundry Outline Editor format",
      "The Vim Outliner"
    ]
  },
  "OTP": {
    "descriptions": [
      "OpenDocument presentation template"
    ]
  },
  "OTS": {
    "descriptions": [
      "OpenDocument spreadsheet template"
    ]
  },
  "OTT": {
    "descriptions": [
      "OpenDocument text document template"
    ]
  },
  "OTX": {
    "descriptions": [
      "Text file"
    ]
  },
  "OUT": {
    "descriptions": [
      "Output file",
      "Design II for Windows Output file"
    ]
  },
  "OV1": {
    "descriptions": [
      "Overlay file (part of program to be loaded when needed)"
    ]
  },
  "OV2": {
    "descriptions": [
      "Overlay file (part of program to be loaded when needed)"
    ]
  },
  "OVA": {
    "descriptions": [
      "Open Virtualization Format package for packaging and distributing virtual appliances"
    ]
  },
  "OVD": {
    "descriptions": [
      "Datafile"
    ]
  },
  "OVF": {
    "descriptions": [
      "Open Virtualization Format descriptor file, an XML file which describes the virtual machine packed inside an OVF package"
    ]
  },
  "OVL": {
    "descriptions": [
      "Overlay file (part of program to be loaded when needed)"
    ]
  },
  "OWL": {
    "descriptions": [
      "Web ontology language (OWL) file"
    ]
  },
  "OXT": {
    "descriptions": [
      "OpenOffice.org extension"
    ]
  },
  "P": {
    "descriptions": [
      "Database PROGRESS source code",
      "PASCAL source code file",
      "Parser source code file",
      "Picture file",
      "Rea-C-Time application parameter file"
    ]
  },
  "P0?": {
    "descriptions": [
      "Split archive UC2"
    ]
  },
  "P10": {
    "descriptions": [
      "Tektronix Plot",
      "Certificate Request"
    ]
  },
  "P12": {
    "descriptions": [
      "Personal Information Exchange",
      "Another variant of the PFX extension"
    ]
  },
  "P16": {
    "descriptions": [
      "Music (16 channels)"
    ]
  },
  "P22": {
    "descriptions": [
      "Patch file (Patch22)"
    ]
  },
  "P3T": {
    "descriptions": [
      "PlayStation 3 Theme file"
    ]
  },
  "P80": {
    "descriptions": [
      "PLM-80 source"
    ]
  },
  "P86": {
    "descriptions": [
      "PLM-86 source"
    ]
  },
  "PA1": {
    "descriptions": [
      "Worktable"
    ]
  },
  "PAC": {
    "descriptions": [
      "SBStudio II Package or Song",
      "STAD Image (graphics ?)"
    ]
  },
  "PACK": {
    "descriptions": [
      "?"
    ]
  },
  "PACKAGE": {
    "descriptions": [
      "Contents"
    ]
  },
  "PAD": {
    "descriptions": [
      "Automatic print definitions",
      "Keypad definition"
    ]
  },
  "PAF": {
    "descriptions": [
      "For Personal Ancestral File data files"
    ]
  },
  "PAGES": {
    "descriptions": [
      "Pages document file"
    ]
  },
  "PAK": {
    "descriptions": [
      "Archive"
    ]
  },
  "PAL": {
    "descriptions": [
      "Paint Shop Pro color palette (JASC format)",
      "Palette file (RIFF format)",
      "Palette file"
    ]
  },
  "PAM": {
    "descriptions": [
      "PAM Portable Arbitrary Map graphics format"
    ]
  },
  "PAN": {
    "descriptions": [
      "Printer-specific file (copy to coreldrw.ink)"
    ]
  },
  "PAR": {
    "descriptions": [
      "Parameter file",
      "PARTS application",
      "Permanent output file",
      "Parity Archive"
    ]
  },
  "PAR2": {
    "descriptions": [
      "Parity Archive v2"
    ]
  },
  "PART": {
    "descriptions": [
      "Part of a download file"
    ]
  },
  "PAS": {
    "descriptions": [
      "Pascal language source"
    ]
  },
  "PAT": {
    "descriptions": [
      "Gravis Ultrasound Patch",
      "Hatch patterns",
      "Vector fill files",
      "Pattern File",
      "GIMP pattern"
    ]
  },
  "PB": {
    "descriptions": [
      "Fax",
      "Phonebook",
      "Proboard Conf. files",
      "Setup file"
    ]
  },
  "PB1": {
    "descriptions": [
      "Document"
    ]
  },
  "PBA": {
    "descriptions": [
      "Powerbasic BASIC source code"
    ]
  },
  "PBD": {
    "descriptions": [
      "Phone book",
      "Molecule (protein data bank)"
    ]
  },
  "PBI": {
    "descriptions": [
      "Powerbasic include file",
      "Profiler Binary Input"
    ]
  },
  "PBK": {
    "descriptions": [
      "Microsoft Network Phone book"
    ]
  },
  "PBL": {
    "descriptions": [
      "Powerbasic library"
    ]
  },
  "PBLIB": {
    "descriptions": [
      "Power Library"
    ]
  },
  "PBM": {
    "descriptions": [
      "PBM Portable Bit Map graphics format",
      "Planar bitmap graphics"
    ]
  },
  "PBO": {
    "descriptions": [
      "Profiler Binary Output",
      "A file type used by Bohemia Interactive"
    ]
  },
  "PBT": {
    "descriptions": [
      "ProBoards Theme [5]",
      "Profiler Binary Table"
    ]
  },
  "PC": {
    "descriptions": [
      "Text file containing IBM PC specific info"
    ]
  },
  "PC3": {
    "descriptions": [
      "Custom palette"
    ]
  },
  "PC8": {
    "descriptions": [
      "ASCII text IBM8 character set"
    ]
  },
  "PCA": {
    "descriptions": [
      "Perfect Clarity Audio"
    ]
  },
  "PCB": {
    "descriptions": [
      "P-CAD database",
      "Artwork design file (Circuit board design)"
    ]
  },
  "PCC": {
    "descriptions": [
      "Cutout picture vector graphics"
    ]
  },
  "PCD": {
    "descriptions": [
      "Graphics format (Kodak Photo-CD)",
      "Kodak Photo-CD Image graphics file (768x512)",
      "Pfaff Embroidery Format"
    ]
  },
  "PCF": {
    "descriptions": [
      "Pixel Coordination Format"
    ]
  },
  "PCH": {
    "descriptions": [
      "Patch file",
      "Precompiled header"
    ]
  },
  "PCJ": {
    "descriptions": [
      "Multimedia authoring tool graphics file"
    ]
  },
  "PCK": {
    "descriptions": [
      "Pickfile"
    ]
  },
  "PCL": {
    "descriptions": [
      "HP-PCL graphics data file",
      "Old Pencil Animation File PCL"
    ]
  },
  "PCLX": {
    "descriptions": [
      "Pencil Animation File PCLX"
    ]
  },
  "PCM": {
    "descriptions": [
      "OKI MSM6376 synth chip PCM",
      "PCM",
      "Pfaff Embroidery Format"
    ]
  },
  "PCQ": {
    "descriptions": [
      "Pfaff Embroidery Format"
    ]
  },
  "PCS": {
    "descriptions": [
      "Microsoft PowerPoint picture package",
      "PCSurvey file",
      "Pfaff Embroidery Format"
    ]
  },
  "PCT": {
    "descriptions": [
      "Bitmap graphics file"
    ]
  },
  "PCW": {
    "descriptions": [
      "Text file"
    ]
  },
  "PCX": {
    "descriptions": [
      "PC paintbrush bitmap format"
    ]
  },
  "PDA": {
    "descriptions": [
      "Bitmap graphics"
    ]
  },
  "PDB": {
    "descriptions": [
      "Packrat 5.0 data file",
      "container format (envelope) for Palm OS databases",
      "debugging data",
      "Molecule (protein data bank)"
    ]
  },
  "PDD": {
    "descriptions": [
      "Adobe Photoshop Elements Image"
    ]
  },
  "PDE": {
    "descriptions": [
      "Pathology Data Exchange",
      "data",
      "source code file"
    ]
  },
  "PDF": {
    "descriptions": [
      "Adobe's Portable Document Format",
      "Graphics file (ED-SCAN 24bit format)",
      "Package Definition File",
      "PCAD Database Interchange Format",
      "Print device information Netware",
      "Printer Descriptor File (AKA 'printer driver')"
    ]
  },
  "PDG": {
    "descriptions": [
      "Print Shop Deluxe data file"
    ]
  },
  "PDI": {
    "descriptions": [
      "Portable Database Image",
      "Protected Digital Identity"
    ]
  },
  "PDL": {
    "descriptions": [
      "Project Description Language file"
    ]
  },
  "PDM": {
    "descriptions": [
      "Program",
      "PowerDesigner's physical data model (relational model) file format",
      "Visual Basic (VB) Project Information File"
    ]
  },
  "PDN": {
    "descriptions": [
      "Image file"
    ]
  },
  "PDS": {
    "descriptions": [
      "PALASM Design Description",
      "Pds graphics",
      "Planetary Data System Format",
      "Pldasm source code file (hardware assembly)"
    ]
  },
  "PDV": {
    "descriptions": [
      "Printer driver"
    ]
  },
  "PDW": {
    "descriptions": [
      "Document"
    ]
  },
  "PEB": {
    "descriptions": [
      "Program Editor bottom overflow file"
    ]
  },
  "PED": {
    "descriptions": [
      "Program Editor delete save"
    ]
  },
  "PEM": {
    "descriptions": [
      "Program Editor macro",
      "A text-based certificate file defined in RFC 1421 through RFC 1424[6]"
    ]
  },
  "PEQ": {
    "descriptions": [
      "Program Editor print queue file"
    ]
  },
  "PER": {
    "descriptions": [
      "Program Editor resident area"
    ]
  },
  "PES": {
    "descriptions": [
      "Program Editor work space file"
    ]
  },
  "PET": {
    "descriptions": [
      "Program Editor top overflow file"
    ]
  },
  "PEX": {
    "descriptions": [
      "Proboard EXecutable file (Executed from PB)"
    ]
  },
  "PFA": {
    "descriptions": [
      "PostScript Font File",
      "Type 3 font file (unhinted PostScript font)"
    ]
  },
  "PFB": {
    "descriptions": [
      "Adobe Acrobat document",
      "PostScript font"
    ]
  },
  "PFC": {
    "descriptions": [
      "(Personal Filing Cabinet) contains e-mail, preferences and other personal information",
      "Text file"
    ]
  },
  "PFK": {
    "descriptions": [
      "Programmable function keys"
    ]
  },
  "PFM": {
    "descriptions": [
      "PostScript Type 1 font metric file",
      "Windows Type 1 font metric file"
    ]
  },
  "PFS": {
    "descriptions": [
      "Database (PFS:FILE) - text file (PFS:Write)"
    ]
  },
  "PFT": {
    "descriptions": [
      "Printer font"
    ]
  },
  "PFX": {
    "descriptions": [
      "An encrypted certificate file[6]"
    ]
  },
  "PG": {
    "descriptions": [
      "Page cut/paste file"
    ]
  },
  "PGD": {
    "descriptions": [
      ""
    ]
  },
  "PGI": {
    "descriptions": [
      "Printer Graphics File device driver"
    ]
  },
  "PGL": {
    "descriptions": [
      "HP Plotter vector graphics format"
    ]
  },
  "PGM": {
    "descriptions": [
      "Graphics format (Portable GrayMap)",
      "Program"
    ]
  },
  "PGN": {
    "descriptions": [
      "Portable Game Notation -Text specification for Chess game"
    ]
  },
  "PGP": {
    "descriptions": [
      "Support file"
    ]
  },
  "PGS": {
    "descriptions": [
      "Manual page"
    ]
  },
  "PH": {
    "descriptions": [
      "Optimized .goh file",
      "Perl header file",
      "Phrase-table"
    ]
  },
  "PHD": {
    "descriptions": [
      "PolyHedra Database"
    ]
  },
  "PHF": {
    "descriptions": [
      "Database File"
    ]
  },
  "PHM": {
    "descriptions": [
      "Phone book"
    ]
  },
  "PHN": {
    "descriptions": [
      "Phone list"
    ]
  },
  "PHO": {
    "descriptions": [
      "Phone database"
    ]
  },
  "PHP": {
    "descriptions": [
      "PHP file"
    ]
  },
  "PHP3": {
    "descriptions": [
      "PHP 3 file"
    ]
  },
  "PHP4": {
    "descriptions": [
      "PHP 4 file"
    ]
  },
  "PHR": {
    "descriptions": [
      "Phrases"
    ]
  },
  "PI2": {
    "descriptions": [
      "Portrait Innovations High Resolution Encrypted Image file"
    ]
  },
  "PIC": {
    "descriptions": [
      "123 Vector graphics format",
      "Bitmap graphics file",
      "Lotus picture",
      "PIXAR picture file"
    ]
  },
  "PICT": {
    "descriptions": [
      "Macintosh Picture"
    ]
  },
  "PIE": {
    "descriptions": [
      "GlovePIE script file"
    ]
  },
  "PIF": {
    "descriptions": [
      "OS/2 graphics metafile",
      "Program Information File",
      "Vector graphics GDF format file (IBM mainframe computers)"
    ]
  },
  "PIPE": {
    "descriptions": [
      "PIPE-FLO project design file"
    ]
  },
  "PIT": {
    "descriptions": [
      "Compressed Mac file archive created by PACKIT",
      "Partition Information Table for Samsung's smartphone with Android",
      "File used to connect to a remote system."
    ]
  },
  "PIV": {
    "descriptions": [
      "Pivot Stick Animator file"
    ]
  },
  "PIX": {
    "descriptions": [
      "Alias image file",
      "Inset Pix"
    ]
  },
  "PJ": {
    "descriptions": [
      "Project"
    ]
  },
  "PJT": {
    "descriptions": [
      "Additional (FPT) project description file"
    ]
  },
  "PJX": {
    "descriptions": [
      "Main (DBF) project description file"
    ]
  },
  "PK": {
    "descriptions": [
      "PacKed bitmap font bitmap file (TeX DVI drivers)",
      "Peak file"
    ]
  },
  "PK2": {
    "descriptions": [
      "Quake 2 data file"
    ]
  },
  "PK3": {
    "descriptions": [
      "Quake 3 data file"
    ]
  },
  "PK4": {
    "descriptions": [
      "Doom 3 and Quake 4 data file"
    ]
  },
  "PKA": {
    "descriptions": [
      "Archive"
    ]
  },
  "PKCS12": {
    "descriptions": [
      "Another variant of the PFX extension"
    ]
  },
  "PKG": {
    "descriptions": [
      "Installer script",
      "P-CAD database"
    ]
  },
  "PKL": {
    "descriptions": [
      "Pickle file"
    ]
  },
  "PKPASS": {
    "descriptions": [
      "Wallet pass"
    ]
  },
  "PKT": {
    "descriptions": [
      "Fido message packet"
    ]
  },
  "PL": {
    "descriptions": [
      "Palette",
      "Perl source code file",
      "Prolog source code file",
      "Property List font metric file",
      "IRAF pixel list"
    ]
  },
  "PL1": {
    "descriptions": [
      "Room plan",
      "PL/I source file"
    ]
  },
  "PL2": {
    "descriptions": [
      "Palette"
    ]
  },
  "PL3": {
    "descriptions": [
      "Chart palette"
    ]
  },
  "PLA": {
    "descriptions": [
      "Playlist"
    ]
  },
  "PLANTUML": {
    "descriptions": [
      "UML Diagram (also PU)"
    ]
  },
  "PLB": {
    "descriptions": [
      "FoxPro library",
      "P-CAD library"
    ]
  },
  "PLC": {
    "descriptions": [
      "Add-in file (functions - macros - applications)",
      "P-CAD database"
    ]
  },
  "PLD": {
    "descriptions": [
      "PhotoLine Document"
    ]
  },
  "PLE": {
    "descriptions": [
      "Encrypted Chat Log"
    ]
  },
  "PLI": {
    "descriptions": [
      "PL/I source file"
    ]
  },
  "PLIST": {
    "descriptions": [
      "Mac OS Property List, also used on iOS, NeXTSTEP, and GNUstep"
    ]
  },
  "PLL": {
    "descriptions": [
      "Prelinked library"
    ]
  },
  "PLM": {
    "descriptions": [
      "DisorderTracker2 music module"
    ]
  },
  "PLN": {
    "descriptions": [
      "Spreadsheet"
    ]
  },
  "PLP": {
    "descriptions": [
      "Playlist",
      "Messenger Plus! Sound Pack"
    ]
  },
  "PLS": {
    "descriptions": [
      "Playlist file"
    ]
  },
  "PLSC": {
    "descriptions": [
      "Messenger Plus! Script Pack"
    ]
  },
  "PLSK": {
    "descriptions": [
      "Messenger Plus! Skin Pack"
    ]
  },
  "PLT": {
    "descriptions": [
      "HPGL plotter file vector graphics",
      "Output file for ploter",
      "P CAD: Output file editor for PCPLOT or PCPRINT",
      "Page Magic 2.0 paper format",
      "Palette",
      "Table for .pll"
    ]
  },
  "PLUGIN": {
    "descriptions": [
      "Plug-in"
    ]
  },
  "PLY": {
    "descriptions": [
      "Data",
      "Presentation screen",
      "ZipPack",
      "Polygon File Format or the Stanford Triangle Format."
    ]
  },
  "PLY2": {
    "descriptions": [
      "Data"
    ]
  },
  "PM": {
    "descriptions": [
      "Auran Jet progressive mesh file (obsoleted by IM and LM)",
      "Perl module",
      "Bitmap graphics"
    ]
  },
  "PM3": {
    "descriptions": [
      "PageMaker 3.0 data file"
    ]
  },
  "PM4": {
    "descriptions": [
      "Document"
    ]
  },
  "PM5": {
    "descriptions": [
      "Aldus PageMaker 5.0 publication"
    ]
  },
  "PMA": {
    "descriptions": [
      "PMarc Archive"
    ]
  },
  "PMC": {
    "descriptions": [
      "Graphics"
    ]
  },
  "PMI": {
    "descriptions": [
      "OS/2 V3 SVGA PMI-File",
      "PhatPad note"
    ]
  },
  "PMM": {
    "descriptions": [
      "Program file"
    ]
  },
  "PMP": {
    "descriptions": [
      "PhotoMorph Project"
    ]
  },
  "PN3": {
    "descriptions": [
      "Printer device driver"
    ]
  },
  "PNCL": {
    "descriptions": [
      "Pinnacle file"
    ]
  },
  "PNF": {
    "descriptions": [
      "Pre-compiled Setup Information file"
    ]
  },
  "PNG": {
    "descriptions": [
      "Portable Network Graphics"
    ]
  },
  "PNM": {
    "descriptions": [
      "PBM Portable aNy Map graphics file"
    ]
  },
  "PNT": {
    "descriptions": [
      "Macintosh painting",
      "Pointlist segment",
      "QWK reader pointer file"
    ]
  },
  "POD": {
    "descriptions": [
      "UNIX perldoc File (\"Plain Old Documentation\")"
    ]
  },
  "POF": {
    "descriptions": [
      "Altera FPGA programming file (External Flash)"
    ]
  },
  "POH": {
    "descriptions": [
      "Optimized .goh file"
    ]
  },
  "POL": {
    "descriptions": [
      "InnovMetric Software Polygon Models Format"
    ]
  },
  "POLICY": {
    "descriptions": [
      "Group Policy File"
    ]
  },
  "POLY": {
    "descriptions": [
      "Data"
    ]
  },
  "POP": {
    "descriptions": [
      "Messages index",
      "Pop-up menu object"
    ]
  },
  "POT": {
    "descriptions": [
      "Microsoft PowerPoint template"
    ]
  },
  "POV": {
    "descriptions": [
      "Raytraced graphics image"
    ]
  },
  "POW": {
    "descriptions": [
      "Power Chords instrument/song file"
    ]
  },
  "PP": {
    "descriptions": [
      "Amiga archive"
    ]
  },
  "PPA": {
    "descriptions": [
      "Microsoft PowerPoint Add-in"
    ]
  },
  "PPB": {
    "descriptions": [
      "Button bar for Print Preview"
    ]
  },
  "PPD": {
    "descriptions": [
      "PostScript printer description file"
    ]
  },
  "PPJ": {
    "descriptions": [
      "Premiere Project"
    ]
  },
  "PPK": {
    "descriptions": [
      "Archive (using for many distributives)"
    ]
  },
  "PPL": {
    "descriptions": [
      "PolaroidPalettePlus ColorKey device driver"
    ]
  },
  "PPM": {
    "descriptions": [
      "Graphics format (Portable PixelMap)"
    ]
  },
  "PPO": {
    "descriptions": [
      "Preprocessor output"
    ]
  },
  "PPP": {
    "descriptions": [
      "Publication"
    ]
  },
  "PPS": {
    "descriptions": [
      "Storyboard",
      "Microsoft PowerPoint Slideshow (stand alone slideshow)"
    ]
  },
  "PPSX": {
    "descriptions": [
      "MS Office Open-XML Auto-Play Presentation"
    ]
  },
  "PPT": {
    "descriptions": [
      "Microsoft PowerPoint Presentation"
    ]
  },
  "PPTX": {
    "descriptions": [
      "MS Office Open-XML Presentation"
    ]
  },
  "PR1": {
    "descriptions": [
      "Packrat 4.0 data file"
    ]
  },
  "PR2": {
    "descriptions": [
      "Packrat 4.x data file",
      "Presentation",
      "Printer driver"
    ]
  },
  "PR3": {
    "descriptions": [
      "PostScript printer driver",
      "Presentation"
    ]
  },
  "PRC": {
    "descriptions": [
      "container format (envelope) for Palm OS databases",
      "\"Product Representation Compact\", for embedding 3D data in a PDF file"
    ]
  },
  "PRD": {
    "descriptions": [
      "Printer driver"
    ]
  },
  "PRE": {
    "descriptions": [
      "Presentation",
      "Settings",
      "Stork graphic file"
    ]
  },
  "PRF": {
    "descriptions": [
      "CheckIt Pro v1.0 data file",
      "Pixel Run Format graphics file",
      "Printer driver",
      "Profiler output"
    ]
  },
  "PRG": {
    "descriptions": [
      "Program source code (e.g. Clipper language)",
      "Program source",
      "Program"
    ]
  },
  "PRI": {
    "descriptions": [
      "Printer definitions"
    ]
  },
  "PRJ": {
    "descriptions": [
      "Borland C++ IDE project file",
      "Mkd (Unix command)"
    ]
  },
  "PRK": {
    "descriptions": [
      "SimPark Saved File"
    ]
  },
  "PRM": {
    "descriptions": [
      "Parameters"
    ]
  },
  "PRN": {
    "descriptions": [
      "Printer driver",
      "Text file",
      "Usually printer output file"
    ]
  },
  "PRO": {
    "descriptions": [
      "Profile",
      "Graphics profile file",
      "Proboard conf. file",
      "Punch! Home Design File",
      "Prolog language source",
      "PROLOG source code file"
    ]
  },
  "PROJ": {
    "descriptions": [
      "Project File (Interface Builder)"
    ]
  },
  "PROPERTIES": {
    "descriptions": [
      "Java properties file"
    ]
  },
  "PROTO": {
    "descriptions": [
      "Message specification"
    ]
  },
  "PRP": {
    "descriptions": [
      "Plasma Registry Page"
    ]
  },
  "PRR": {
    "descriptions": [
      "The Perfect Resume data file"
    ]
  },
  "PRS": {
    "descriptions": [
      "Norton Viewer DLL file",
      "Presentation",
      "Printer Resource e.g. fonts",
      "Procedure"
    ]
  },
  "PRT": {
    "descriptions": [
      "P-CAD component",
      "Part or Drawing",
      "Printer driver"
    ]
  },
  "PRX": {
    "descriptions": [
      "Compiled program"
    ]
  },
  "PS": {
    "descriptions": [
      "Document in PostScript format"
    ]
  },
  "PS1": {
    "descriptions": [
      "Windows Powershell script[9]"
    ]
  },
  "PSA": {
    "descriptions": [
      "Archive (Pretty Simple Archive)"
    ]
  },
  "PSB": {
    "descriptions": [
      "For big Photoshop files"
    ]
  },
  "PSD": {
    "descriptions": [
      "Design II for Windows Process Simulation Diagram",
      "Periscope Debbuger Def file",
      "Photoshop bitmap file"
    ]
  },
  "PSE": {
    "descriptions": [
      "PyMOL session[8]",
      "Truncated form of PSEG (see below)"
    ]
  },
  "PSEG": {
    "descriptions": [
      "Bitmap graphics"
    ]
  },
  "PSF": {
    "descriptions": [
      "Outline PostScript printer font"
    ]
  },
  "PSM": {
    "descriptions": [
      "Music format (Protracker Studio Module)",
      "Symbol table of IDE",
      "3D Model"
    ]
  },
  "PSM1": {
    "descriptions": [
      "Windows Powershell module[9]"
    ]
  },
  "PSMODEL": {
    "descriptions": [
      "PowerSHAPE Model"
    ]
  },
  "PSN": {
    "descriptions": [
      "Presentation file for Sound Script"
    ]
  },
  "PSP": {
    "descriptions": [
      "image file with layers"
    ]
  },
  "PSPPALETTE": {
    "descriptions": [
      "Paint Shop Pro color palette (JASC format)"
    ]
  },
  "PSQ": {
    "descriptions": [
      "Premiere Sequence"
    ]
  },
  "PST": {
    "descriptions": [
      "Postbox file",
      "Archive File"
    ]
  },
  "PSV": {
    "descriptions": [
      "PlayStation 2/PlayStation 3 saved game"
    ]
  },
  "PSW": {
    "descriptions": [
      "File w/ passwords for any program/game"
    ]
  },
  "PT": {
    "descriptions": [
      "Game crack",
      "Kodak Precition Color Management System"
    ]
  },
  "PT3": {
    "descriptions": [
      "Device driver",
      "Template"
    ]
  },
  "PT4": {
    "descriptions": [
      "Template"
    ]
  },
  "PT5": {
    "descriptions": [
      "Aldus PageMaker 5.0 publication template"
    ]
  },
  "PTB": {
    "descriptions": [
      "Power Tab Software",
      "Script"
    ]
  },
  "PTF": {
    "descriptions": [
      "PlayStation Portable Theme file",
      "Pro Tools Session File"
    ]
  },
  "PTG": {
    "descriptions": [
      "Panasonic Title Graphics"
    ]
  },
  "PTL": {
    "descriptions": [
      "Premiere Title"
    ]
  },
  "PTM": {
    "descriptions": [
      "Macro",
      "Music format",
      "Page Magic 2.0 template"
    ]
  },
  "PTN": {
    "descriptions": [
      "Pattern",
      "Pattern"
    ]
  },
  "PTPED": {
    "descriptions": [
      "PedFast Technologies Pedigree Database[11]"
    ]
  },
  "PTR": {
    "descriptions": [
      "OS/2 cursor image file",
      "QWK reader pointer file"
    ]
  },
  "PTU": {
    "descriptions": [
      "Performer Terrain Utilities"
    ]
  },
  "PTX": {
    "descriptions": [
      "Pro Tools 10 session file"
    ]
  },
  "PU": {
    "descriptions": [
      "UML Diagram (also PLANTUML)"
    ]
  },
  "PUB": {
    "descriptions": [
      "Package File",
      "Page template",
      "Public key ring file",
      "Publication"
    ]
  },
  "PUD": {
    "descriptions": [
      "Warcraft II Map file"
    ]
  },
  "PUT": {
    "descriptions": [
      "Archive",
      "Graphics format"
    ]
  },
  "PUZ": {
    "descriptions": [
      "Microsoft Publisher \"Packed and Go\" archive"
    ]
  },
  "PVD": {
    "descriptions": [
      "Script"
    ]
  },
  "PVK": {
    "descriptions": [
      "Private Key File"
    ]
  },
  "PVL": {
    "descriptions": [
      "Library"
    ]
  },
  "PVM": {
    "descriptions": [
      "Texture Files"
    ]
  },
  "PVT": {
    "descriptions": [
      "Local Fidonet pointlist"
    ]
  },
  "PW": {
    "descriptions": [
      "Text file"
    ]
  },
  "PWF": {
    "descriptions": [
      "Workflow Files"
    ]
  },
  "PWK": {
    "descriptions": [
      "Workspace File"
    ]
  },
  "PWL": {
    "descriptions": [
      "Password List"
    ]
  },
  "PWP": {
    "descriptions": [
      "Text document"
    ]
  },
  "PX": {
    "descriptions": [
      "Paradox 3.0 file"
    ]
  },
  "PXP": {
    "descriptions": [
      "3DS Process file"
    ]
  },
  "PXR": {
    "descriptions": [
      "Pixiar Picio"
    ]
  },
  "PXZ": {
    "descriptions": [
      "Compressed file to exchange media elements"
    ]
  },
  "PY": {
    "descriptions": [
      "Python script file"
    ]
  },
  "PYC": {
    "descriptions": [
      "Compiled Python module"
    ]
  },
  "PYD": {
    "descriptions": [
      "Python DLL"
    ]
  },
  "PYI": {
    "descriptions": [
      "Cognos Powerplay Model"
    ]
  },
  "PYK": {
    "descriptions": [
      "PYK Compressed File"
    ]
  },
  "PYO": {
    "descriptions": [
      "Optimized compiled Python module"
    ]
  },
  "PYW": {
    "descriptions": [
      "Python Script Without Console Window"
    ]
  },
  "PZD": {
    "descriptions": [
      "Default settings"
    ]
  },
  "PZI": {
    "descriptions": [
      "Graphics format"
    ]
  },
  "PZO": {
    "descriptions": [
      "Overlay file"
    ]
  },
  "PZP": {
    "descriptions": [
      "Palette"
    ]
  },
  "PZS": {
    "descriptions": [
      "Settings"
    ]
  },
  "PZT": {
    "descriptions": [
      "Transfer file"
    ]
  },
  "PZX": {
    "descriptions": [
      "Swap file"
    ]
  },
  "PiM": {
    "descriptions": [
      "Pascal Text Mode Image File"
    ]
  },
  "Q0": {
    "descriptions": [
      "Q0 graphic file"
    ]
  },
  "Q3S": {
    "descriptions": [
      "Data"
    ]
  },
  "QAG": {
    "descriptions": [
      "Quick Access Group"
    ]
  },
  "QAP": {
    "descriptions": [
      "Application"
    ]
  },
  "QB": {
    "descriptions": [
      "Tony Hawk's Pro Skater series scripting files"
    ]
  },
  "QBB": {
    "descriptions": [
      "Quickbooks Backup File"
    ]
  },
  "QBE": {
    "descriptions": [
      "Saved query (Query By Example)"
    ]
  },
  "QBO": {
    "descriptions": [
      "Compiled query"
    ]
  },
  "QBW": {
    "descriptions": [
      "Spreadsheet"
    ]
  },
  "QCH": {
    "descriptions": [
      "Qt Compressed Help"
    ]
  },
  "QCP": {
    "descriptions": [
      "Mp3 extension on Motorola ringtones"
    ]
  },
  "QDF": {
    "descriptions": [
      "Data file"
    ]
  },
  "QDK": {
    "descriptions": [
      "Backup of startup files created by Optimize"
    ]
  },
  "QDR": {
    "descriptions": [
      "Configuration file"
    ]
  },
  "QDV": {
    "descriptions": [
      "Graphics file"
    ]
  },
  "QDn": {
    "descriptions": [
      "Data file - segment n"
    ]
  },
  "QEF": {
    "descriptions": [
      "Query file"
    ]
  },
  "QFP": {
    "descriptions": [
      "QUICKfind Server Plug-in"
    ]
  },
  "QFX": {
    "descriptions": [
      "Quicken-specific implementation of the OFX specification",
      "Fax"
    ]
  },
  "QG3": {
    "descriptions": [
      "Data"
    ]
  },
  "QHC": {
    "descriptions": [
      "Qt Help Collection"
    ]
  },
  "QHCP": {
    "descriptions": [
      "Qt Help Collection Project"
    ]
  },
  "QHP": {
    "descriptions": [
      "Qt Help Project"
    ]
  },
  "QIF": {
    "descriptions": [
      "Quicken Interchange Format"
    ]
  },
  "QIZ": {
    "descriptions": [
      "World book quiz"
    ]
  },
  "QLB": {
    "descriptions": [
      "Quick library"
    ]
  },
  "QLC": {
    "descriptions": [
      "ATM Type 1 fonts script"
    ]
  },
  "QLP": {
    "descriptions": [
      "Printer driver"
    ]
  },
  "QM4": {
    "descriptions": [
      "Options or services file"
    ]
  },
  "QPR": {
    "descriptions": [
      "Generated query program",
      "Print queue device driver"
    ]
  },
  "QPX": {
    "descriptions": [
      "Compiled executable QBE query file"
    ]
  },
  "QRMX": {
    "descriptions": [
      "Quick Risk Matrix data file"
    ]
  },
  "QRP": {
    "descriptions": [
      "Database report file"
    ]
  },
  "QRS": {
    "descriptions": [
      "Equation Editor support file"
    ]
  },
  "QRT": {
    "descriptions": [
      "Graphics format (QRT ray tracing)"
    ]
  },
  "QRY": {
    "descriptions": [
      "Query"
    ]
  },
  "QT": {
    "descriptions": [
      "QuickTime movie (animation)"
    ]
  },
  "QTVR": {
    "descriptions": [
      "QuickTime VR Movie"
    ]
  },
  "QUOX": {
    "descriptions": [
      "Question Object Document"
    ]
  },
  "QVD": {
    "descriptions": [
      "QlikView Document (Data)"
    ]
  },
  "QVW": {
    "descriptions": [
      "QlikView Document (View)"
    ]
  },
  "QWK": {
    "descriptions": [
      "QWK reader message file"
    ]
  },
  "QXD": {
    "descriptions": [
      "Document"
    ]
  },
  "QXL": {
    "descriptions": [
      "Element library"
    ]
  },
  "R": {
    "descriptions": [
      "Ratfor file",
      "Script file"
    ]
  },
  "R00, R01, ...": {
    "descriptions": [
      "Part of a multi-file RAR archive"
    ]
  },
  "R2D": {
    "descriptions": [
      "Reflex 2 datafile"
    ]
  },
  "R3D": {
    "descriptions": [
      "Red Raw Video (raw video data created with a Red camera)"
    ]
  },
  "R8": {
    "descriptions": [
      "Raw graphics file (one byte per pixel) plane one"
    ]
  },
  "R8P": {
    "descriptions": [
      "PCL 4 bitmap font file"
    ]
  },
  "RA": {
    "descriptions": [
      "Remote Access conf. files"
    ]
  },
  "RA0, RA1, ...": {
    "descriptions": [
      "Part of a multi-file RAR archive"
    ]
  },
  "RAD": {
    "descriptions": [
      "2-op FM music",
      "Radiance"
    ]
  },
  "RAL": {
    "descriptions": [
      "Remote Access Language file"
    ]
  },
  "RAM": {
    "descriptions": [
      "Ramfile"
    ]
  },
  "RAP": {
    "descriptions": [
      "Flowchart"
    ]
  },
  "RAR": {
    "descriptions": [
      "Archive"
    ]
  },
  "RAS": {
    "descriptions": [
      "Graphics format"
    ]
  },
  "RAT": {
    "descriptions": [
      "Datafile (RATS)"
    ]
  },
  "RAW": {
    "descriptions": [
      "HSI raw graphic file",
      "PCM Signed Raw Sound File",
      "QRT graphic file"
    ]
  },
  "RAY": {
    "descriptions": [
      "Rayshade"
    ]
  },
  "RB": {
    "descriptions": [
      "Ruby Script file"
    ]
  },
  "RBF": {
    "descriptions": [
      "Datafile"
    ]
  },
  "RBXL": {
    "descriptions": [
      "ROBLOX \"level\""
    ]
  },
  "RBXM": {
    "descriptions": [
      "ROBLOX \"model\""
    ]
  },
  "RC": {
    "descriptions": [
      "Configuration file",
      "Resource Compiler script file",
      "Resource Script",
      "UUPC configuration files",
      "Windows resource compiler script"
    ]
  },
  "RCG": {
    "descriptions": [
      "Netscape newsgroup file (netsc.rcg)"
    ]
  },
  "RCT": {
    "descriptions": [
      "Roller Coaster Tycoon"
    ]
  },
  "RDF": {
    "descriptions": [
      "Compiled UIC source code"
    ]
  },
  "RDI": {
    "descriptions": [
      "Device-independent bitmap file (RIFF RDIB format)"
    ]
  },
  "RDP": {
    "descriptions": [
      "RDP connection"
    ]
  },
  "RDX": {
    "descriptions": [
      "Datafile"
    ]
  },
  "RData": {
    "descriptions": [
      "Data file"
    ]
  },
  "REC": {
    "descriptions": [
      "Archivation protocol",
      "Datafile",
      "Record file",
      "Windows Recorder Macro File"
    ]
  },
  "RED": {
    "descriptions": [
      "Path info",
      "REDuced nodelist file"
    ]
  },
  "REF": {
    "descriptions": [
      "Cross-reference"
    ]
  },
  "REG": {
    "descriptions": [
      "OLE Registration file",
      "Registration information or key"
    ]
  },
  "REL": {
    "descriptions": [
      "Foreground job relocatable file"
    ]
  },
  "REM": {
    "descriptions": [
      "Remarks definition",
      "Remarks"
    ]
  },
  "REP": {
    "descriptions": [
      "QWK reader reply file",
      "Report file used by many applications",
      "Report"
    ]
  },
  "REQ": {
    "descriptions": [
      "File request"
    ]
  },
  "RES": {
    "descriptions": [
      "Compiled resource",
      "DBASE resources",
      "Windows compiled resource package"
    ]
  },
  "REV": {
    "descriptions": [
      "Revision file"
    ]
  },
  "REX": {
    "descriptions": [
      "PharLab executable file (old format)",
      "Report definition",
      "Rexx language source file"
    ]
  },
  "REZ": {
    "descriptions": [
      "Resource file"
    ]
  },
  "RF": {
    "descriptions": [
      "Sun raster graphics file"
    ]
  },
  "RFA": {
    "descriptions": [
      "3D BIM Model Family Element"
    ]
  },
  "RFM": {
    "descriptions": [
      "Report ForMat (script for customized report)"
    ]
  },
  "RFT": {
    "descriptions": [
      "DCA/RFT Revisable Format Text file"
    ]
  },
  "RGB": {
    "descriptions": [
      "SGI RGB image file (RAW)"
    ]
  },
  "RGX": {
    "descriptions": [
      "Symbol tables etc. info"
    ]
  },
  "RH": {
    "descriptions": [
      "Resource header file",
      "Windows resource file header"
    ]
  },
  "RHistory": {
    "descriptions": [
      "Command history logfile"
    ]
  },
  "RI": {
    "descriptions": [
      "Data"
    ]
  },
  "RIB": {
    "descriptions": [
      "Graphics (Renderman Interface Bytestream)"
    ]
  },
  "RIC": {
    "descriptions": [
      "Fax"
    ]
  },
  "RIF": {
    "descriptions": [
      "RIFF bitmap graphics (Resource Interchange File Format)"
    ]
  },
  "RIN": {
    "descriptions": [
      "Sound recording participants and information (Recording Information Notification)"
    ]
  },
  "RIP": {
    "descriptions": [
      "TeleGrafix Remote Imaging Protocol"
    ]
  },
  "RIX": {
    "descriptions": [
      "Graphics (ColoRIX Image File)"
    ]
  },
  "RL4": {
    "descriptions": [
      "Bitmap graphics"
    ]
  },
  "RL8": {
    "descriptions": [
      "Bitmap graphics"
    ]
  },
  "RLA": {
    "descriptions": [
      "Wavefront raster image file"
    ]
  },
  "RLB": {
    "descriptions": [
      "Data hgw.rlb"
    ]
  },
  "RLC": {
    "descriptions": [
      "Graphics 1bit/pixel scanner output"
    ]
  },
  "RLD": {
    "descriptions": [
      "Norton Commander 5.0 temp file",
      "OSIMapDef. RecLoad Definition"
    ]
  },
  "RLE": {
    "descriptions": [
      "Utah Run Length Encoded rasterfile graphic file"
    ]
  },
  "RLZ": {
    "descriptions": [
      "REALIZER source code file"
    ]
  },
  "RM": {
    "descriptions": [
      "RealMedia"
    ]
  },
  "RMB": {
    "descriptions": [
      "data"
    ]
  },
  "RMI": {
    "descriptions": [
      "Windows alternate synthesized sound format"
    ]
  },
  "RMK": {
    "descriptions": [
      "Make file"
    ]
  },
  "RMVB": {
    "descriptions": [
      "RealMedia Variable Bitrate"
    ]
  },
  "RN": {
    "descriptions": [
      "XPL program for Nota Bene users"
    ]
  },
  "RN4": {
    "descriptions": [
      "Random Numeration 4 Encryption Program File"
    ]
  },
  "RNA": {
    "descriptions": [
      "Real Native Application File"
    ]
  },
  "RND": {
    "descriptions": [
      "Rendering Slide"
    ]
  },
  "RNO": {
    "descriptions": [
      "Runoff file"
    ]
  },
  "ROL": {
    "descriptions": [
      "FM music Adlib Music File"
    ]
  },
  "ROM": {
    "descriptions": [
      "Read Only Memory image in emulators, AONs, etc."
    ]
  },
  "ROO": {
    "descriptions": [
      "CODASYL DBMS Database Root"
    ]
  },
  "ROSS": {
    "descriptions": [
      "Simple function routine"
    ]
  },
  "RPB": {
    "descriptions": [
      "Data report file used by CP Backup"
    ]
  },
  "RPC": {
    "descriptions": [
      "Rich Photorealistic Content"
    ]
  },
  "RPD": {
    "descriptions": [
      "Database"
    ]
  },
  "RPF": {
    "descriptions": [
      "AutoCAD pattern"
    ]
  },
  "RPL": {
    "descriptions": [
      "Text document"
    ]
  },
  "RPM": {
    "descriptions": [
      "Red Hat Package Manager"
    ]
  },
  "RPT": {
    "descriptions": [
      "Report file used by many applications"
    ]
  },
  "RRD": {
    "descriptions": [
      "Reduced Resolution Dataset"
    ]
  },
  "RS": {
    "descriptions": [
      "Data file",
      "Rust language source"
    ]
  },
  "RSC": {
    "descriptions": [
      "Resource file"
    ]
  },
  "RSDF": {
    "descriptions": [
      "RSD Link Container"
    ]
  },
  "RSL": {
    "descriptions": [
      "Application - Project",
      "Resource Library used by PC Tools for Windows"
    ]
  },
  "RSP": {
    "descriptions": [
      "Response file (text file containing input expected by e.g. LINK)",
      "Response File"
    ]
  },
  "RST": {
    "descriptions": [
      "reStructuredText"
    ]
  },
  "RSY": {
    "descriptions": [
      "FLEXIT Multishot Survey Raw Data file"
    ]
  },
  "RS_": {
    "descriptions": [
      "Resource fork of a Macintosh file"
    ]
  },
  "RTF": {
    "descriptions": [
      "Rich Text Format text file (help file script)"
    ]
  },
  "RTFD": {
    "descriptions": [
      "RTF-Packet"
    ]
  },
  "RTL": {
    "descriptions": [
      "HP RTL graphic file",
      "Run-Time library",
      "Text file"
    ]
  },
  "RTP": {
    "descriptions": [
      "RTPatch software update package data file"
    ]
  },
  "RTS": {
    "descriptions": [
      "Realizer executable file",
      "Runtime library file"
    ]
  },
  "RUL": {
    "descriptions": [
      "Echo-conference rules"
    ]
  },
  "RUN": {
    "descriptions": [
      "AMPL script file",
      "Makeself shell self-extracting archive",
      "PC Tools for Windows batch file"
    ]
  },
  "RUNZ": {
    "descriptions": [
      "pseudo-executable file, used in Portable Apps and software installers for Super OS"
    ]
  },
  "RUS": {
    "descriptions": [
      "Russian text"
    ]
  },
  "RV": {
    "descriptions": [
      "Mobile pricelist data file",
      "Raw Wind Data"
    ]
  },
  "RVF": {
    "descriptions": [
      ""
    ]
  },
  "RVT": {
    "descriptions": [
      "3D BIM Model file"
    ]
  },
  "RVW": {
    "descriptions": [
      "Review"
    ]
  },
  "RWS": {
    "descriptions": [
      "Borland Resource Workshop symbol file",
      "Resource Workshop data file"
    ]
  },
  "RWX": {
    "descriptions": [
      "Criterion RenderWare",
      "MEME Shape File",
      "Script"
    ]
  },
  "RWZ": {
    "descriptions": [
      "Microsoft Outlook Rules Wizard File"
    ]
  },
  "RXD": {
    "descriptions": [
      "Reflex 1 datafile"
    ]
  },
  "RZK": {
    "descriptions": [
      "File Crypt password file"
    ]
  },
  "RZX": {
    "descriptions": [
      "File Crypt encrypted file"
    ]
  },
  "Rnn": {
    "descriptions": [
      "Multi volume RAR archive"
    ]
  },
  "S": {
    "descriptions": [
      "ASSEMBLY source code file",
      "Multi Edit macro file source",
      "MSTS Shape file"
    ]
  },
  "S$$": {
    "descriptions": [
      "Temporary sort file"
    ]
  },
  "S19": {
    "descriptions": [
      "Motorola ASCII format of executables"
    ]
  },
  "S1K": {
    "descriptions": [
      "S1000 Simnet Format"
    ]
  },
  "S3I": {
    "descriptions": [
      "Digiplayer/ST3 Sample File"
    ]
  },
  "S3M": {
    "descriptions": [
      "Music (16 channels)"
    ]
  },
  "S7I": {
    "descriptions": [
      "Seed7 library / include file"
    ]
  },
  "SA?": {
    "descriptions": [
      "Packed mail"
    ]
  },
  "SAB": {
    "descriptions": [
      "Saber file"
    ]
  },
  "SAF": {
    "descriptions": [
      "see SAIF"
    ]
  },
  "SAFE": {
    "descriptions": [
      "SafeIT Encrypted"
    ]
  },
  "SAIF": {
    "descriptions": [
      "Spatial Archive Interchange Format"
    ]
  },
  "SAL": {
    "descriptions": [
      "Datafile"
    ]
  },
  "SAM": {
    "descriptions": [
      "Ami Pro data file",
      "Text file"
    ]
  },
  "SAN": {
    "descriptions": [
      "LucasArts' SMUSH/INSANE animation"
    ]
  },
  "SAP": {
    "descriptions": [
      "Atari SAP music format"
    ]
  },
  "SAR": {
    "descriptions": [
      "Archive"
    ]
  },
  "SAS": {
    "descriptions": [
      "SAS Program File"
    ]
  },
  "SAT": {
    "descriptions": [
      "ACIS  ACIS .sat"
    ]
  },
  "SATS": {
    "descriptions": [
      "Static source"
    ]
  },
  "SAV": {
    "descriptions": [
      "Backup file (saved file)",
      "Configuration",
      "Executable",
      "SPSS \"System File\"",
      "Saved game state"
    ]
  },
  "SAVER": {
    "descriptions": [
      "Screensaver"
    ]
  },
  "SB": {
    "descriptions": [
      "Audio file (signed byte)",
      "Raw Signed Byte (8bit) data",
      "Raw Signed PCM Byte 8bit data",
      "Scratch project"
    ]
  },
  "SB2": {
    "descriptions": [
      "Scratch 2.0 project"
    ]
  },
  "SB3": {
    "descriptions": [
      "Scratch 3.0 project"
    ]
  },
  "SBD": {
    "descriptions": [
      "Storyboard"
    ]
  },
  "SBH": {
    "descriptions": [
      "Header"
    ]
  },
  "SBI": {
    "descriptions": [
      "Sound Blaster Instrument file (Creative Labs)"
    ]
  },
  "SBK": {
    "descriptions": [
      "Emu SoundFont Bank (AWE32 Bank)"
    ]
  },
  "SBL": {
    "descriptions": [
      "Stony Brook Pascal library"
    ]
  },
  "SBP": {
    "descriptions": [
      "DML program"
    ]
  },
  "SBR": {
    "descriptions": [
      "Support file"
    ]
  },
  "SBT": {
    "descriptions": [
      "Notes related to record"
    ]
  },
  "SBX": {
    "descriptions": [
      "For experimental extensions to Scratch",
      "Sequenced Box container"
    ]
  },
  "SC": {
    "descriptions": [
      "Display driver",
      "PAL script",
      "Script"
    ]
  },
  "SC3": {
    "descriptions": [
      "Renamed dBASE III screen mask file",
      "Screen device driver",
      "Saved City"
    ]
  },
  "SC4": {
    "descriptions": [
      "Saved City",
      "Game Scenario"
    ]
  },
  "SC6": {
    "descriptions": [
      "Game Scenario"
    ]
  },
  "SCA": {
    "descriptions": [
      "Datafile"
    ]
  },
  "SCALA": {
    "descriptions": [
      "Scala source code file"
    ]
  },
  "SCC": {
    "descriptions": [
      "Text file"
    ]
  },
  "SCD": {
    "descriptions": [
      "SCODOL film recorder (Scan Conversion Object Description Language)"
    ]
  },
  "SCF": {
    "descriptions": [
      "Standard Chromatogram Format",
      "Standard Chromatogram Format",
      "?",
      "Windows Explorer Command (e.g.: show desktop.scf)",
      "Multimedia show",
      "Spelling checker configuration file"
    ]
  },
  "SCH": {
    "descriptions": [
      "Project schedule",
      "EAGLE schematic file",
      "Circuit Design Schematic"
    ]
  },
  "SCHEMATIC": {
    "descriptions": [
      "MCEdit Schematic file"
    ]
  },
  "SCI": {
    "descriptions": [
      "Fax",
      "System Configuration Information"
    ]
  },
  "SCM": {
    "descriptions": [
      "Scheme source code file",
      "Schematic file (Circuit Diagram for PCB design)",
      "StarCraft mission"
    ]
  },
  "SCN": {
    "descriptions": [
      "SCeNe RTrace",
      "Screen file"
    ]
  },
  "SCO": {
    "descriptions": [
      "High score"
    ]
  },
  "SCP": {
    "descriptions": [
      "Script"
    ]
  },
  "SCPT": {
    "descriptions": [
      "Script"
    ]
  },
  "SCPTD": {
    "descriptions": [
      "Script bundle"
    ]
  },
  "SCR": {
    "descriptions": [
      "Any other screen system",
      "DEBUG source code file",
      "Forth screen (source) file",
      "Screen - screen snapshot",
      "Screen font",
      "Screen saver",
      "Screen snapshop",
      "Script file source"
    ]
  },
  "SCRIPT": {
    "descriptions": [
      "Script"
    ]
  },
  "SCT": {
    "descriptions": [
      "Additional (FPT) screen description file"
    ]
  },
  "SCTOR": {
    "descriptions": [
      "Raster graphics format used by some very obscure custom operating systems"
    ]
  },
  "SCX": {
    "descriptions": [
      "Chart",
      "Graphics format",
      "Main (DBF) screen description file",
      "StarCraft: Brood War scenario"
    ]
  },
  "SCY": {
    "descriptions": [
      "Security file"
    ]
  },
  "SD": {
    "descriptions": [
      "Sound Designer I audio file"
    ]
  },
  "SD7": {
    "descriptions": [
      "Seed7 source file"
    ]
  },
  "SDA": {
    "descriptions": [
      "Fidonet's Software Distribution Network file archive description"
    ]
  },
  "SDC": {
    "descriptions": [
      "Video",
      "Synopsys Design Constraints"
    ]
  },
  "SDF": {
    "descriptions": [
      "Microsoft SQL Server Compact Edition database file",
      "Flight data",
      "Source definition file",
      "System Data Format file (fixed length ASCII text)"
    ]
  },
  "SDI": {
    "descriptions": [
      "Software Distribution Network Info file"
    ]
  },
  "SDK": {
    "descriptions": [
      "Roland S-550/S-50/W-30 Disk Image"
    ]
  },
  "SDL": {
    "descriptions": [
      "Alias Wavefront Scene Description Language"
    ]
  },
  "SDML": {
    "descriptions": [
      "Spatial Data Modeling Language"
    ]
  },
  "SDN": {
    "descriptions": [
      "Software Distribution Network compressed file archive"
    ]
  },
  "SDR": {
    "descriptions": [
      "SmartDraw File"
    ]
  },
  "SDS": {
    "descriptions": [
      "MIDI Sample DUMP Standard File",
      "Self Defining Structure provides for N-dimensional very large datasets using HHCode"
    ]
  },
  "SDTS": {
    "descriptions": [
      "Spatial Data Transfer Standard"
    ]
  },
  "SDW": {
    "descriptions": [
      "Ami Draw Symbol File"
    ]
  },
  "SDX": {
    "descriptions": [
      "Sample DUMP Exchange File"
    ]
  },
  "SEA": {
    "descriptions": [
      "Self-Extracting compressed Macintosh file Archive"
    ]
  },
  "SEARCH": {
    "descriptions": [
      "ACDSee saved search"
    ]
  },
  "SEC": {
    "descriptions": [
      "compressed file",
      "Diskreet encrypted file",
      "Secret key ring file",
      "Secured animation file"
    ]
  },
  "SED": {
    "descriptions": [
      "Self extraction directive file"
    ]
  },
  "SEN": {
    "descriptions": [
      "Scifer Archive Format (Internal Header Mode)"
    ]
  },
  "SEP": {
    "descriptions": [
      "Printer separator page"
    ]
  },
  "SEQ": {
    "descriptions": [
      "ABI Text Sequence",
      "Atari animation file",
      "Video",
      "Sequential Instruction File"
    ]
  },
  "SES": {
    "descriptions": [
      "Session info",
      "Multitrack Audio Session info"
    ]
  },
  "SET": {
    "descriptions": [
      "Configuration file",
      "Driver sets created by Install",
      "Extension used by Norton Backup and CPS Backup for setup info",
      "Hump Assignments File",
      "Setup options file",
      "YVD card set file"
    ]
  },
  "SF": {
    "descriptions": [
      "IRCAM Sound File",
      "JAR Digital Signature",
      "WPS attribute storage (OS/2 WorkPlace Shell) wp_root.sf"
    ]
  },
  "SF2": {
    "descriptions": [
      "Emu SoundFont Bank v2.0 file"
    ]
  },
  "SFB": {
    "descriptions": [
      "Configuration file",
      "HP Soft font (obsolete under Windows)"
    ]
  },
  "SFD": {
    "descriptions": [
      "SoundStage Data file"
    ]
  },
  "SFF": {
    "descriptions": [
      "Standard Flowgram Format",
      "Scene File Format"
    ]
  },
  "SFI": {
    "descriptions": [
      "Graphics",
      "Printer font (HP LaserJet landscape)"
    ]
  },
  "SFL": {
    "descriptions": [
      "PCL 4 bitmap font (landscape)",
      "Sound file"
    ]
  },
  "SFN": {
    "descriptions": [
      "Font"
    ]
  },
  "SFO": {
    "descriptions": [
      "Bitstream font file - fontware format"
    ]
  },
  "SFP": {
    "descriptions": [
      "PCL 4 bitmap font"
    ]
  },
  "SFR": {
    "descriptions": [
      "Sonic Foundry Sample Resource"
    ]
  },
  "SFS": {
    "descriptions": [
      "PCL 5 scalable font file"
    ]
  },
  "SFT": {
    "descriptions": [
      "Screen font"
    ]
  },
  "SFV": {
    "descriptions": [
      "Simple file verification checksum file"
    ]
  },
  "SFX": {
    "descriptions": [
      "Renamed dBASE III screen mask file",
      "SFX (self-extracting archives) script"
    ]
  },
  "SG1": {
    "descriptions": [
      "Graphics"
    ]
  },
  "SGF": {
    "descriptions": [
      "Document with graphics",
      "Smart Game Format"
    ]
  },
  "SGI": {
    "descriptions": [
      "Graphics file"
    ]
  },
  "SGP": {
    "descriptions": [
      "Statistics"
    ]
  },
  "SGT": {
    "descriptions": [
      "Save/get keyboard macro"
    ]
  },
  "SH": {
    "descriptions": [
      "ASCII archive",
      "Unix shell script"
    ]
  },
  "SH3": {
    "descriptions": [
      "Presentation"
    ]
  },
  "SH3D": {
    "descriptions": [
      "Sweet home 3d file"
    ]
  },
  "SHA1": {
    "descriptions": [
      "SHA1 Checksum verification File"
    ]
  },
  "SHAR": {
    "descriptions": [
      "Shell self-extracting archive"
    ]
  },
  "SHB": {
    "descriptions": [
      "Background"
    ]
  },
  "SHG": {
    "descriptions": [
      "Segmented Hyper Graphics"
    ]
  },
  "SHK": {
    "descriptions": [
      "Apple II archive"
    ]
  },
  "SHM": {
    "descriptions": [
      "Shell macro"
    ]
  },
  "SHP": {
    "descriptions": [
      "Shape file and sdiv id=\"PYI\"> PYIource file for text fontsESRI shapefile\n\n"
    ]
  },
  "SHR": {
    "descriptions": [
      "see SHAR"
    ]
  },
  "SHS": {
    "descriptions": [
      "Shell Scrap Object File"
    ]
  },
  "SHT": {
    "descriptions": [
      "HTML format for WWW"
    ]
  },
  "SHW": {
    "descriptions": [
      "Presentation",
      "Slide show"
    ]
  },
  "SHX": {
    "descriptions": [
      "Shape entitiesESRI shapefile\n\n"
    ]
  },
  "SIB": {
    "descriptions": [
      "Sibelius file"
    ]
  },
  "SID": {
    "descriptions": [
      "Sound Interface Device file format"
    ]
  },
  "SIF": {
    "descriptions": [
      "Setup Installation Files info"
    ]
  },
  "SIG": {
    "descriptions": [
      "Current program settings",
      "Signature file"
    ]
  },
  "SIK": {
    "descriptions": [
      "Backup file (Sicherungskopie)"
    ]
  },
  "SIM": {
    "descriptions": [
      "Simon document file - Simon instruction software editor"
    ]
  },
  "SIS": {
    "descriptions": [
      "symbian file"
    ]
  },
  "SIT": {
    "descriptions": [
      "Archive (Macintosh)"
    ]
  },
  "SK": {
    "descriptions": [
      "Skin file"
    ]
  },
  "SKI": {
    "descriptions": [
      "Skin file"
    ]
  },
  "SKIN": {
    "descriptions": [
      "Skin file"
    ]
  },
  "SKN": {
    "descriptions": [
      "Skin file"
    ]
  },
  "SKP": {
    "descriptions": [
      "Google SketchUp file"
    ]
  },
  "SKY": {
    "descriptions": [
      "SYLK Spreadsheet file (used by Multiplan)"
    ]
  },
  "SL": {
    "descriptions": [
      "S-Lang source code file"
    ]
  },
  "SLB": {
    "descriptions": [
      "P-CAD library (symbols)",
      "Slide library"
    ]
  },
  "SLC": {
    "descriptions": [
      "SALT (script from Telix) compiled code"
    ]
  },
  "SLD": {
    "descriptions": [
      "Slide"
    ]
  },
  "SLDASM": {
    "descriptions": [
      "Assembly"
    ]
  },
  "SLDDRW": {
    "descriptions": [
      "Drawing"
    ]
  },
  "SLDPRT": {
    "descriptions": [
      "Part"
    ]
  },
  "SLI": {
    "descriptions": [
      "Slide"
    ]
  },
  "SLK": {
    "descriptions": [
      "Microsoft Excel import format",
      "SYLK Symbolic Link format data file"
    ]
  },
  "SLL": {
    "descriptions": [
      "Sound data file",
      "Static Link Library"
    ]
  },
  "SLN": {
    "descriptions": [
      "Microsoft Visual Studio Solution"
    ]
  },
  "SLP": {
    "descriptions": [
      "SLP command file created by SRCCOM",
      "Localization project file",
      "Age of Empires graphics file"
    ]
  },
  "SLS": {
    "descriptions": [
      "Slim source code"
    ]
  },
  "SLT": {
    "descriptions": [
      "SALT Script Application Language for Telix script source"
    ]
  },
  "SLV": {
    "descriptions": [
      "Solution for any game"
    ]
  },
  "SM": {
    "descriptions": [
      "Maillist",
      "Script",
      "SMALLTALK source code file",
      "SMath Studio file",
      "Text file",
      "StepMania Step File"
    ]
  },
  "SMC": {
    "descriptions": [
      "Super MagiCom SNES ROM image"
    ]
  },
  "SMCLVL": {
    "descriptions": [
      "Secret Maryo Chronicles Level"
    ]
  },
  "SMF": {
    "descriptions": [
      "Fax",
      "3D World Studio mesh files"
    ]
  },
  "SMK": {
    "descriptions": [
      "Smacker video Format (RAD Video)"
    ]
  },
  "SML": {
    "descriptions": [
      "System Macro Library"
    ]
  },
  "SMM": {
    "descriptions": [
      "Ami Pro Macro File"
    ]
  },
  "SMN": {
    "descriptions": [
      "Font (ParaGraph's WorkScript format)"
    ]
  },
  "SMP": {
    "descriptions": [
      "Sample (sound file)",
      "Samplevision File"
    ]
  },
  "SMPL": {
    "descriptions": [
      "Data"
    ]
  },
  "SMS": {
    "descriptions": [
      "MSTS Sound management system file"
    ]
  },
  "SMT": {
    "descriptions": [
      "Text file"
    ]
  },
  "SN": {
    "descriptions": [
      "Compressed song file"
    ]
  },
  "SND": {
    "descriptions": [
      "Digitized sound file",
      "Power Chords drum sound file"
    ]
  },
  "SNDB": {
    "descriptions": [
      "SQLNotes database"
    ]
  },
  "SNG": {
    "descriptions": [
      "Song (midi sound)",
      "Saved game file for StarCraft"
    ]
  },
  "SNO": {
    "descriptions": [
      "SNOBOL4 source code file"
    ]
  },
  "SNP": {
    "descriptions": [
      "Book-shelf for .BOO",
      "Microsoft Access report snapshot",
      "Output video format from Computer Eyes equipment"
    ]
  },
  "SNX": {
    "descriptions": [
      "Saved game file for StarCraft: Brood War"
    ]
  },
  "SO": {
    "descriptions": [
      "shared object, dynamically linked library"
    ]
  },
  "SOAR": {
    "descriptions": [
      "Soar Production file"
    ]
  },
  "SOF": {
    "descriptions": [
      "Altera FPGA programming file (internal RAM)"
    ]
  },
  "SOL": {
    "descriptions": [
      "Solution e.g. game walkthroughs",
      "Adobe Flash shared object (\"Flash cookie\") (Movie, film, video and multimedia file type)",
      "Solidity source code"
    ]
  },
  "SOM": {
    "descriptions": [
      "Network serial numbers",
      "Sort information"
    ]
  },
  "SON": {
    "descriptions": [
      "Song"
    ]
  },
  "SOU": {
    "descriptions": [
      "Temporary BATCH file",
      "SBStudio II Sound File",
      "Sound data (sound tool)"
    ]
  },
  "SP": {
    "descriptions": [
      "Archive (unix)"
    ]
  },
  "SPC": {
    "descriptions": [
      "Program",
      "Temporary file",
      "SNES SPC-700 Sound File",
      "Spectroscopic data (scientific)"
    ]
  },
  "SPD": {
    "descriptions": [
      "Scalable font"
    ]
  },
  "SPF": {
    "descriptions": [
      "Slide presentation file",
      "data"
    ]
  },
  "SPG": {
    "descriptions": [
      "Glossary"
    ]
  },
  "SPI": {
    "descriptions": [
      "Graphics (Siemens and Philips scanner)"
    ]
  },
  "SPIFF": {
    "descriptions": [
      "Still Picture Interchange File Format"
    ]
  },
  "SPIN": {
    "descriptions": [
      "Spin source file"
    ]
  },
  "SPL": {
    "descriptions": [
      "Archive",
      "Customized printer driver",
      "Divided file segment",
      "Personal spell dictionary",
      "Print spooling file",
      "Sample"
    ]
  },
  "SPM": {
    "descriptions": [
      "Data wp{wp}.spm"
    ]
  },
  "SPP": {
    "descriptions": [
      "Printer file"
    ]
  },
  "SPR": {
    "descriptions": [
      "Document letter",
      "Generated executable screen file",
      "Sprite",
      "Story Board sprites"
    ]
  },
  "SPS": {
    "descriptions": [
      "Exported SyncBack profile",
      "Screen driver",
      "SPSSx source code file"
    ]
  },
  "SPT": {
    "descriptions": [
      "Data support file (MITAC disk/system management utility pack)",
      "SPITBOL source code file"
    ]
  },
  "SPW": {
    "descriptions": [
      "Worksheet"
    ]
  },
  "SPX": {
    "descriptions": [
      "Compiled executable screen file",
      "Ogg Speex bitstream[1]"
    ]
  },
  "SQ": {
    "descriptions": [
      "Squish compressed archive format"
    ]
  },
  "SQD": {
    "descriptions": [
      "Squish message base"
    ]
  },
  "SQI": {
    "descriptions": [
      "Squish message base index"
    ]
  },
  "SQL": {
    "descriptions": [
      "Squish message base lastread pointers",
      "Structured Query Language"
    ]
  },
  "SQLite": {
    "descriptions": [
      "SQLite"
    ]
  },
  "SQM": {
    "descriptions": [
      "Windows Live Messenger log file"
    ]
  },
  "SQN": {
    "descriptions": [
      "Note file"
    ]
  },
  "SQZ": {
    "descriptions": [
      "Archive",
      "FOXPRO Squeeze file"
    ]
  },
  "SRC": {
    "descriptions": [
      "Source code",
      "Multi-edit source",
      "Source"
    ]
  },
  "SRF": {
    "descriptions": [
      "Sun Raster File graphics file"
    ]
  },
  "SRP": {
    "descriptions": [
      "Script"
    ]
  },
  "SRT": {
    "descriptions": [
      "Subtitle format"
    ]
  },
  "SS": {
    "descriptions": [
      "Bitmap graphics",
      "Screen saver"
    ]
  },
  "SSC": {
    "descriptions": [
      "Celestia Solar System Catalog file",
      "Stellarium Script"
    ]
  },
  "SSD": {
    "descriptions": [
      "Datafile"
    ]
  },
  "SSF": {
    "descriptions": [
      "Graphic file"
    ]
  },
  "SSFREC": {
    "descriptions": [
      "Super Smash Flash 2 replay file"
    ]
  },
  "SSG": {
    "descriptions": [
      "Saved game"
    ]
  },
  "SSIF": {
    "descriptions": [
      "Stereoscopic Interleaved file"
    ]
  },
  "SSO": {
    "descriptions": [
      "Empowered Song"
    ]
  },
  "SSP": {
    "descriptions": [
      "Datafile"
    ]
  },
  "SSR": {
    "descriptions": [
      "FLEXIT Singleshot Survey Raw Data file"
    ]
  },
  "SST": {
    "descriptions": [
      "AVHRR graphic file"
    ]
  },
  "SSV": {
    "descriptions": [
      "Spreadsheet viewer file"
    ]
  },
  "ST": {
    "descriptions": [
      "Instrument library",
      "SMALLTALK source code file",
      "Stamp"
    ]
  },
  "STA": {
    "descriptions": [
      "Data file",
      "Saved state",
      "Stack"
    ]
  },
  "STB": {
    "descriptions": [
      "Symbol table file",
      "Stub library"
    ]
  },
  "STC": {
    "descriptions": [
      "Celestia Star Catalog file",
      "OpenOffice.org XML spreadsheet template"
    ]
  },
  "STD": {
    "descriptions": [
      "State Transition Diagram graphic file",
      "OpenOffice.org XML drawing template"
    ]
  },
  "STEAMSTART": {
    "descriptions": [
      "STEAMSTART file"
    ]
  },
  "STEP": {
    "descriptions": [
      "Standard for the Exchange of Product Data"
    ]
  },
  "STF": {
    "descriptions": [
      "Archive",
      "Setup Table File"
    ]
  },
  "STI": {
    "descriptions": [
      "OpenOffice.org XML presentation template"
    ]
  },
  "STK": {
    "descriptions": [
      "eBook",
      "Stockholm multiple sequence alignment"
    ]
  },
  "STL": {
    "descriptions": [
      "Stereolithography Interface Format",
      "Subtitle files EBU-standard"
    ]
  },
  "STM": {
    "descriptions": [
      "Music format (4 channels) (Scream Tracker Module)",
      "State Transition Diagram model file"
    ]
  },
  "STO": {
    "descriptions": [
      "Pascal stub OBJ file",
      "Stockholm multiple sequence alignment"
    ]
  },
  "STP": {
    "descriptions": [
      "Subtitler Project",
      "Standard for the Exchange of Product Data"
    ]
  },
  "STR": {
    "descriptions": [
      "Gate3 table structure file",
      "Structure list object file",
      "PlayStation video file"
    ]
  },
  "STRINGS": {
    "descriptions": [
      "Strings file"
    ]
  },
  "STS": {
    "descriptions": [
      "Music format (Scream Tracker Song)",
      "Project status info"
    ]
  },
  "STU": {
    "descriptions": [
      "Studio Project"
    ]
  },
  "STUFF": {
    "descriptions": [
      "EVE Online compressed file archive"
    ]
  },
  "STW": {
    "descriptions": [
      "Data file",
      "OpenOffice.org XML text document template"
    ]
  },
  "STX": {
    "descriptions": [
      "Electronic book",
      "Music format",
      "Tax form"
    ]
  },
  "STY": {
    "descriptions": [
      "Ami Pro Template (Style); used by other programs for `styles`",
      "Style library or sheet"
    ]
  },
  "SU": {
    "descriptions": [
      "Saurus source file"
    ]
  },
  "SU?": {
    "descriptions": [
      "Packed mail"
    ]
  },
  "SUB": {
    "descriptions": [
      "Subtitle format"
    ]
  },
  "SUC": {
    "descriptions": [
      "Saurus byte-code file"
    ]
  },
  "SUF": {
    "descriptions": [
      "Sony camera configuration file (setup.suf)"
    ]
  },
  "SUI": {
    "descriptions": [
      "SUIT library"
    ]
  },
  "SUM": {
    "descriptions": [
      "Summary"
    ]
  },
  "SUN": {
    "descriptions": [
      "Sun rasterfile graphics file"
    ]
  },
  "SUO": {
    "descriptions": [
      "Solution User Options"
    ]
  },
  "SUP": {
    "descriptions": [
      "Subtitle file (Blu-ray encapsulated container)",
      "Supplementary dictionary"
    ]
  },
  "SUR": {
    "descriptions": [
      "Surface topography (in native \"SURF\" format)"
    ]
  },
  "SV4": {
    "descriptions": [
      "Saved Game File"
    ]
  },
  "SV6": {
    "descriptions": [
      "Saved Game File"
    ]
  },
  "SVC": {
    "descriptions": [
      "Represents the ServiceHost instance hosted by Internet Information Services"
    ]
  },
  "SVD": {
    "descriptions": [
      "Autosave file for document"
    ]
  },
  "SVG": {
    "descriptions": [
      "Autosave file for glossary",
      "Scalable Vector Graphics"
    ]
  },
  "SVQ": {
    "descriptions": [
      "MRC-Pro sequencers music format"
    ]
  },
  "SVS": {
    "descriptions": [
      "Autosave file for style sheet"
    ]
  },
  "SVW": {
    "descriptions": [
      "Super Video Windows"
    ]
  },
  "SVX": {
    "descriptions": [
      "Interchange, 8SVX/16SV"
    ]
  },
  "SVY": {
    "descriptions": [
      "FLEXIT Survey data"
    ]
  },
  "SW": {
    "descriptions": [
      "Raw Signed Word (16bit) data"
    ]
  },
  "SWF": {
    "descriptions": [
      "Shockwave Flash"
    ]
  },
  "SWG": {
    "descriptions": [
      "SWIG source code",
      "SWAG Pascal Snippets file"
    ]
  },
  "SWIFT": {
    "descriptions": [
      "Swift source code"
    ]
  },
  "SWM": {
    "descriptions": [
      "split Windows Imaging Format"
    ]
  },
  "SWP": {
    "descriptions": [
      "Document backup",
      "Swap file"
    ]
  },
  "SWT": {
    "descriptions": [
      "Hump Routes File"
    ]
  },
  "SXC": {
    "descriptions": [
      "OpenOffice.org XML spreadsheet"
    ]
  },
  "SXD": {
    "descriptions": [
      "OpenOffice.org XML drawing"
    ]
  },
  "SXG": {
    "descriptions": [
      "OpenOffice.org XML master document"
    ]
  },
  "SXI": {
    "descriptions": [
      "OpenOffice.org XML presentation"
    ]
  },
  "SXM": {
    "descriptions": [
      "OpenOffice.org XML formula"
    ]
  },
  "SXP": {
    "descriptions": [
      "3DS Process file"
    ]
  },
  "SXW": {
    "descriptions": [
      "OpenOffice.org XML text document"
    ]
  },
  "SY1": {
    "descriptions": [
      "SmartPix symbol library"
    ]
  },
  "SY3": {
    "descriptions": [
      "Harvard Graphics format",
      "Symbol file"
    ]
  },
  "SYD": {
    "descriptions": [
      "Backup of startup files created by QEMM (?) autoexec.syd",
      "Sysedit backup file"
    ]
  },
  "SYG": {
    "descriptions": [
      "Monitor and handler files created by SYSGEN"
    ]
  },
  "SYM": {
    "descriptions": [
      "Compiler symbolic information file",
      "P-CAD component (symbols)",
      "Precompiled headers",
      "Program symbol table",
      "Symbol file"
    ]
  },
  "SYN": {
    "descriptions": [
      "SDSC Synu image file",
      "Synonym file"
    ]
  },
  "SYS": {
    "descriptions": [
      "Datafile",
      "System file - device driver or hardware configuration info"
    ]
  },
  "SYW": {
    "descriptions": [
      "Graphics file (symbol)",
      "Yamaha SY-85/SY-99 Wave File"
    ]
  },
  "SZPROJ": {
    "descriptions": [
      "SZInstallSystem Project"
    ]
  },
  "SchDoc": {
    "descriptions": [
      "Circuit Design Schematic"
    ]
  },
  "T": {
    "descriptions": [
      "TADS source",
      "Tester symbol table"
    ]
  },
  "T$M": {
    "descriptions": [
      "AVG scan log files[2]"
    ]
  },
  "T2B": {
    "descriptions": [
      "Bookeen Cybook thumbnail"
    ]
  },
  "T2L": {
    "descriptions": [
      "True2Life file format"
    ]
  },
  "T44": {
    "descriptions": [
      "Temporary file for Sort or Index"
    ]
  },
  "T64": {
    "descriptions": [
      "Program"
    ]
  },
  "T?H": {
    "descriptions": [
      "Turbo Help file (Pascal, C, Assembler, ...)"
    ]
  },
  "TAG": {
    "descriptions": [
      "Query tag name"
    ]
  },
  "TAH": {
    "descriptions": [
      "Help file for Turbo Assembler"
    ]
  },
  "TAK": {
    "descriptions": [
      "Audio codec, Lossless audio file format"
    ]
  },
  "TAL": {
    "descriptions": [
      "Adobe Type Align",
      "Text illustration"
    ]
  },
  "TAP": {
    "descriptions": [
      "Tape file"
    ]
  },
  "TAR": {
    "descriptions": [
      "tar archive"
    ]
  },
  "TAZ": {
    "descriptions": [
      "compressed tar archive"
    ]
  },
  "TB": {
    "descriptions": [
      "Tab file (Virtual Desktop Tab)"
    ]
  },
  "TB1": {
    "descriptions": [
      "Font file"
    ]
  },
  "TB2": {
    "descriptions": [
      "Font file"
    ]
  },
  "TBF": {
    "descriptions": [
      "Fax"
    ]
  },
  "TBK": {
    "descriptions": [
      "FOXPRO template backup file",
      "Memo backup",
      "Toolbook"
    ]
  },
  "TBL": {
    "descriptions": [
      "Short for Table",
      "Aldus TableEditor file",
      "binary Unicode conversion table",
      "Gate3 table file",
      "Graphics file (native format)",
      "Table of values"
    ]
  },
  "TBR": {
    "descriptions": [
      "Norton Desktop custom toolbar"
    ]
  },
  "TBS": {
    "descriptions": [
      "Text elements ?? (Textbausteine)"
    ]
  },
  "TBX": {
    "descriptions": [
      "Table"
    ]
  },
  "TBZ": {
    "descriptions": [
      "Archive"
    ]
  },
  "TC": {
    "descriptions": [
      "Configuration"
    ]
  },
  "TCC": {
    "descriptions": [
      "TI-Nspire OS upgrade file"
    ]
  },
  "TCH": {
    "descriptions": [
      "Help file"
    ]
  },
  "TCL": {
    "descriptions": [
      "Tool Command Language source code"
    ]
  },
  "TCO": {
    "descriptions": [
      "TI-Nspire OS upgrade file"
    ]
  },
  "TCT": {
    "descriptions": [
      "Drawing Template"
    ]
  },
  "TCW": {
    "descriptions": [
      "Native Drawing File"
    ]
  },
  "TD": {
    "descriptions": [
      "Config from Turbo Debugger"
    ]
  },
  "TD0": {
    "descriptions": [
      "Compressed disk image file"
    ]
  },
  "TD1": {
    "descriptions": [
      "Multi-part disk image file"
    ]
  },
  "TD2": {
    "descriptions": [
      "Configuration file"
    ]
  },
  "TDB": {
    "descriptions": [
      "Database"
    ]
  },
  "TDDD": {
    "descriptions": [
      "Imagine Object File Format"
    ]
  },
  "TDESKTOP-PALETTE": {
    "descriptions": [
      "Palette"
    ]
  },
  "TDF": {
    "descriptions": [
      "Speedo font file",
      "Typeface definition file"
    ]
  },
  "TDH": {
    "descriptions": [
      "Help file for Turbo Debugger"
    ]
  },
  "TDK": {
    "descriptions": [
      "Keystroke recording file"
    ]
  },
  "TDR": {
    "descriptions": [
      "Contens of Arvid tape"
    ]
  },
  "TDS": {
    "descriptions": [
      "Symbol table"
    ]
  },
  "TDT": {
    "descriptions": [
      "Thumbnail data"
    ]
  },
  "TDW": {
    "descriptions": [
      "Configuration file"
    ]
  },
  "TEC": {
    "descriptions": [
      "Data",
      "TECO macro file (\"compiled\" form)"
    ]
  },
  "TEF": {
    "descriptions": [
      "Fax"
    ]
  },
  "TEL": {
    "descriptions": [
      "Host file"
    ]
  },
  "TEM": {
    "descriptions": [
      "Input template",
      "Turbo Editor Macro Language script"
    ]
  },
  "TERM": {
    "descriptions": [
      "Terminal File"
    ]
  },
  "TES": {
    "descriptions": [
      "TECO macro file (source form)"
    ]
  },
  "TET": {
    "descriptions": [
      "Tetris results"
    ]
  },
  "TEX": {
    "descriptions": [
      "Datasheet",
      "TeX text file",
      "Image"
    ]
  },
  "TEXT": {
    "descriptions": [
      "Text file"
    ]
  },
  "TF": {
    "descriptions": [
      "Configuration"
    ]
  },
  "TFA": {
    "descriptions": [
      "Area file"
    ]
  },
  "TFC": {
    "descriptions": [
      "Catalogue file"
    ]
  },
  "TFF": {
    "descriptions": [
      "self executing TansForm dialogue"
    ]
  },
  "TFH": {
    "descriptions": [
      "Help file for Turbo Profiler"
    ]
  },
  "TFM": {
    "descriptions": [
      "Tagged font metric file",
      "TeX font metric file"
    ]
  },
  "TFS": {
    "descriptions": [
      "Statistical information"
    ]
  },
  "TG1": {
    "descriptions": [
      "Project file"
    ]
  },
  "TGA": {
    "descriptions": [
      "Targa bitmap"
    ]
  },
  "TGZ": {
    "descriptions": [
      "gzip compressed tar archive"
    ]
  },
  "TH?": {
    "descriptions": [
      "Packed mail"
    ]
  },
  "THE": {
    "descriptions": [
      "Windows'95 Desktop Theme"
    ]
  },
  "THEME": {
    "descriptions": [
      "Windows Theme"
    ]
  },
  "THEMEPACK": {
    "descriptions": [
      "Windows Theme package"
    ]
  },
  "THM": {
    "descriptions": [
      "Thumbnail or Theme File"
    ]
  },
  "THP": {
    "descriptions": [
      "Nintendo proprietary video format"
    ]
  },
  "THR": {
    "descriptions": [
      "ThredWorks Embroidery Format"
    ]
  },
  "THS": {
    "descriptions": [
      "Thesaurus dictionary"
    ]
  },
  "TIB": {
    "descriptions": [
      "Acronis True Image Backup"
    ]
  },
  "TIC": {
    "descriptions": [
      "FTN special file with assotiated file description"
    ]
  },
  "TIF": {
    "descriptions": [
      "see TIFF"
    ]
  },
  "TIFF": {
    "descriptions": [
      "TIFF (tagged image format file) bitmapped file"
    ]
  },
  "TIGER": {
    "descriptions": [
      "Tomb Raider binaries files"
    ]
  },
  "TIL": {
    "descriptions": [
      "Fuzzy logic knowledge base"
    ]
  },
  "TIP": {
    "descriptions": [
      "Digital Signage Presentation"
    ]
  },
  "TIS": {
    "descriptions": [
      "Tile set"
    ]
  },
  "TJL": {
    "descriptions": [
      "Backup file"
    ]
  },
  "TLB": {
    "descriptions": [
      "Reference table",
      "Text library",
      "Type library [1]"
    ]
  },
  "TLC": {
    "descriptions": [
      "Compiled Tool Command Language source code"
    ]
  },
  "TLD": {
    "descriptions": [
      "Disk Image"
    ]
  },
  "TLG": {
    "descriptions": [
      "Transaction Log"
    ]
  },
  "TLH": {
    "descriptions": [
      "Typelib Generated C/C++ Header"
    ]
  },
  "TLP": {
    "descriptions": [
      "Project"
    ]
  },
  "TLX": {
    "descriptions": [
      "Website builder"
    ]
  },
  "TM2": {
    "descriptions": [
      "Typical Meteorological Year data (new)"
    ]
  },
  "TMC": {
    "descriptions": [
      "TI-Nspire OS upgrade file"
    ]
  },
  "TMF": {
    "descriptions": [
      "Tagged Font Metric file",
      "TiVo movie"
    ]
  },
  "TMO": {
    "descriptions": [
      "ZTG global optimizer default output file",
      "HandsHigh ThoughtManager Outline",
      "TI-Nspire OS upgrade file"
    ]
  },
  "TMP": {
    "descriptions": [
      "Temporary file"
    ]
  },
  "TMPL": {
    "descriptions": [
      "Template"
    ]
  },
  "TMS": {
    "descriptions": [
      "TeleMate compiled script"
    ]
  },
  "TMY": {
    "descriptions": [
      "Typical Meteorological Year data (old)"
    ]
  },
  "TMY2": {
    "descriptions": [
      "Typical Meteorological Year data (new)"
    ]
  },
  "TNC": {
    "descriptions": [
      "TI-Nspire OS upgrade file"
    ]
  },
  "TNO": {
    "descriptions": [
      "TI-Nspire OS upgrade file"
    ]
  },
  "TNS": {
    "descriptions": [
      "TI-Nspire document"
    ]
  },
  "TOC": {
    "descriptions": [
      "Table Of Contents text file (ASCII)"
    ]
  },
  "TOCG": {
    "descriptions": [
      "TorgaNET Diplomatic Cables"
    ]
  },
  "TOG": {
    "descriptions": [
      "TorgaNET"
    ]
  },
  "TOK": {
    "descriptions": [
      "Borland C++ 4.x reserved word list"
    ]
  },
  "TOPC": {
    "descriptions": [
      "TopicCrunch SEO Project file holding keywords, domain and search engine settings (ASCII)"
    ]
  },
  "TORRENT": {
    "descriptions": [
      "TORRENT File"
    ]
  },
  "TOS": {
    "descriptions": [
      "Character file",
      "Self-extracting file archive (Atari ST)"
    ]
  },
  "TP": {
    "descriptions": [
      "Session-state file",
      "Turbo Pascal cfg file",
      "TinkerPlots Document"
    ]
  },
  "TP3": {
    "descriptions": [
      "Template"
    ]
  },
  "TPB": {
    "descriptions": [
      "Downloadable PCL Soft font file backup"
    ]
  },
  "TPC": {
    "descriptions": [
      "File produced when an inter-Topicscape topic link file is exported to Windows"
    ]
  },
  "TPF": {
    "descriptions": [
      "Downloadable PCL Soft font file",
      "Print data in EMF format"
    ]
  },
  "TPH": {
    "descriptions": [
      "Help file"
    ]
  },
  "TPL": {
    "descriptions": [
      "Resident units library",
      "Template file",
      "Template"
    ]
  },
  "TPOLY": {
    "descriptions": [
      "Data"
    ]
  },
  "TPP": {
    "descriptions": [
      "Protected Mode Units"
    ]
  },
  "TPT": {
    "descriptions": [
      "Digital Signage Presentation Template"
    ]
  },
  "TPU": {
    "descriptions": [
      "Borland Pascal DOS Mode Library",
      "Command file (VAXTPU editor)"
    ]
  },
  "TPW": {
    "descriptions": [
      "Borland Pascal Windows Library",
      "Session-state file"
    ]
  },
  "TPZ": {
    "descriptions": [
      "gzip compressed tar archive"
    ]
  },
  "TR": {
    "descriptions": [
      "Man page input suitable for troff -man",
      "Session-state settings"
    ]
  },
  "TR2": {
    "descriptions": [
      "Session-state settings"
    ]
  },
  "TRASH": {
    "descriptions": [
      "File found during a file scan as bugged"
    ]
  },
  "TRC": {
    "descriptions": [
      "Debug support file"
    ]
  },
  "TRD": {
    "descriptions": [
      "Datafile"
    ]
  },
  "TRE": {
    "descriptions": [
      "Directory tree file"
    ]
  },
  "TRIA": {
    "descriptions": [
      "Data"
    ]
  },
  "TRIB": {
    "descriptions": [
      "Data"
    ]
  },
  "TRIF": {
    "descriptions": [
      "Tiled Raster Interchange Format"
    ]
  },
  "TRK": {
    "descriptions": [
      "Track (i.e. video sequence), used by many games"
    ]
  },
  "TRM": {
    "descriptions": [
      "Terminal settings"
    ]
  },
  "TRN": {
    "descriptions": [
      "Translation support file"
    ]
  },
  "TRP": {
    "descriptions": [
      "MPEG-2 Part 1 multiplexed video stream"
    ]
  },
  "TRS": {
    "descriptions": [
      "Executable file",
      "WiSo Mein Geld 2007",
      "IBM Mainframe log file"
    ]
  },
  "TRU": {
    "descriptions": [
      "True Basic source file"
    ]
  },
  "TRW": {
    "descriptions": [
      "Session-state settings"
    ]
  },
  "TRY": {
    "descriptions": [
      "Typical Meteorological Year data (variant)"
    ]
  },
  "TS": {
    "descriptions": [
      "MPEG transport stream",
      "Qt Linguist TS File",
      "TypeScript source file"
    ]
  },
  "TSE": {
    "descriptions": [
      "Data"
    ]
  },
  "TSK": {
    "descriptions": [
      "Microsoft Multimedia Task Application"
    ]
  },
  "TSL": {
    "descriptions": [
      "Exported Schedule"
    ]
  },
  "TSM": {
    "descriptions": [
      "Turbo Assembler Manual"
    ]
  },
  "TST": {
    "descriptions": [
      "Printer test file",
      "ExamView papers and online tests"
    ]
  },
  "TSV": {
    "descriptions": [
      "Tab Separated Values"
    ]
  },
  "TTE": {
    "descriptions": [
      "TrueType Font file"
    ]
  },
  "TTF": {
    "descriptions": [
      "TrueType Font file"
    ]
  },
  "TU?": {
    "descriptions": [
      "Packed mail"
    ]
  },
  "TUD": {
    "descriptions": [
      "The Ultimate Draw file"
    ]
  },
  "TUT": {
    "descriptions": [
      "Tutorial"
    ]
  },
  "TV": {
    "descriptions": [
      "Table view settings"
    ]
  },
  "TVF": {
    "descriptions": [
      "Table view settings"
    ]
  },
  "TVn": {
    "descriptions": [
      "Overflow file above insert point in Doc n"
    ]
  },
  "TWF": {
    "descriptions": [
      "Warp Map File"
    ]
  },
  "TXC": {
    "descriptions": [
      "Test Configuration Format"
    ]
  },
  "TXF": {
    "descriptions": [
      "Tax eXchange Format"
    ]
  },
  "TXI": {
    "descriptions": [
      "Support file"
    ]
  },
  "TXT": {
    "descriptions": [
      "Common name for ASCII text file",
      "Tab-Delimited Text File",
      "Document Extension"
    ]
  },
  "TXW": {
    "descriptions": [
      "Yamaha TX-16W Wave File"
    ]
  },
  "TY": {
    "descriptions": [
      "TiVo movie"
    ]
  },
  "TYM": {
    "descriptions": [
      "Time Stamp (PageMaker 4)"
    ]
  },
  "TZ": {
    "descriptions": [
      "Archive"
    ]
  },
  "TZB": {
    "descriptions": [
      "Archive"
    ]
  },
  "TZL": {
    "descriptions": [
      "Tanzzle pattern file"
    ]
  },
  "TZX": {
    "descriptions": [
      "Tanzzle image file"
    ]
  },
  "U3D": {
    "descriptions": [
      "Model file format",
      "Universal 3D"
    ]
  },
  "U8": {
    "descriptions": [
      "Sample"
    ]
  },
  "UB": {
    "descriptions": [
      "Raw Unsigned Byte (8bit) data"
    ]
  },
  "UC2": {
    "descriptions": [
      "Archive"
    ]
  },
  "UCN": {
    "descriptions": [
      "New archive"
    ]
  },
  "UCS": {
    "descriptions": [
      "Unknownsoft Service Pack (mainly for Shadow OS 2009)"
    ]
  },
  "UDF": {
    "descriptions": [
      "Filter"
    ]
  },
  "UDIWWW": {
    "descriptions": [
      "bookmark data"
    ]
  },
  "UDO": {
    "descriptions": [
      "Data"
    ]
  },
  "UDW": {
    "descriptions": [
      "Raw Unsigned DWord data"
    ]
  },
  "UE2": {
    "descriptions": [
      "Encrypted archive"
    ]
  },
  "UFI": {
    "descriptions": [
      "data"
    ]
  },
  "UFO": {
    "descriptions": [
      "graphic file"
    ]
  },
  "UHA": {
    "descriptions": [
      "UHarc archive"
    ]
  },
  "UHS": {
    "descriptions": [
      "Universal Hint System (binary file)"
    ]
  },
  "UI": {
    "descriptions": [
      "Espire source code file",
      "Qt Designer's UI File",
      "User interface"
    ]
  },
  "UIF": {
    "descriptions": [
      "Long prompts for windows"
    ]
  },
  "UIH": {
    "descriptions": [
      "Espire header file"
    ]
  },
  "UL": {
    "descriptions": [
      "ULAW audio file"
    ]
  },
  "ULD": {
    "descriptions": [
      "Information about uploaded files"
    ]
  },
  "ULF": {
    "descriptions": [
      "data"
    ]
  },
  "ULT": {
    "descriptions": [
      "Music"
    ]
  },
  "UMB": {
    "descriptions": [
      "Backup file"
    ]
  },
  "UMP": {
    "descriptions": [
      "Umple UML Programming Language Format"
    ]
  },
  "UMX": {
    "descriptions": [
      "Unreal Music Package"
    ]
  },
  "UNF": {
    "descriptions": [
      "Universal NES Image Interchange File Format"
    ]
  },
  "UNI": {
    "descriptions": [
      "Datafile",
      "Music format"
    ]
  },
  "UNIF": {
    "descriptions": [
      "Universal NES Image Interchange File Format"
    ]
  },
  "UNV": {
    "descriptions": [
      "Text file containing finite elements nodal coordinates and more See notes"
    ]
  },
  "UNX": {
    "descriptions": [
      "Text file containing UNIX specific info"
    ]
  },
  "UOML": {
    "descriptions": [
      "UniqueObject Markup Language (UOML) is a XML-based markup language"
    ]
  },
  "UOP": {
    "descriptions": [
      "Uniform Office Format presentation"
    ]
  },
  "UOS": {
    "descriptions": [
      "Uniform Office Format spreadsheet"
    ]
  },
  "UOT": {
    "descriptions": [
      "Uniform Office Format text"
    ]
  },
  "UPD": {
    "descriptions": [
      "Update data"
    ]
  },
  "UPO": {
    "descriptions": [
      "Compiled update data"
    ]
  },
  "URL": {
    "descriptions": [
      "Internet Shortcut (URL)"
    ]
  },
  "URT": {
    "descriptions": [
      "Utah Raster Toolkit"
    ]
  },
  "USDZ": {
    "descriptions": [
      "Augmented Reality (AR) File"
    ]
  },
  "USE": {
    "descriptions": [
      "Log file"
    ]
  },
  "USP": {
    "descriptions": [
      "Printer font with USASCII extended character set"
    ]
  },
  "USR": {
    "descriptions": [
      "User database file"
    ]
  },
  "UST": {
    "descriptions": [
      "UTAU vocal track"
    ]
  },
  "UT!": {
    "descriptions": [
      "datafile"
    ]
  },
  "UTZ": {
    "descriptions": [
      "Mobile Phone Theme"
    ]
  },
  "UU": {
    "descriptions": [
      "Encoded file (ASCII)"
    ]
  },
  "UUE": {
    "descriptions": [
      "Encoded file (ASCII)"
    ]
  },
  "UW": {
    "descriptions": [
      "Raw Unsigned Word 16bit data"
    ]
  },
  "UWF": {
    "descriptions": [
      "UltraTracker WaveSample"
    ]
  },
  "UXP": {
    "descriptions": [
      "Empowered Data Object"
    ]
  },
  "UZED": {
    "descriptions": [
      "Compressed Unicode GEDCOM file"
    ]
  },
  "V": {
    "descriptions": [
      "Consistency check support file",
      "Main input file for an image",
      "Coq source file",
      "Verilog source file"
    ]
  },
  "V1, V2, ...": {
    "descriptions": [
      "Split parts of a whole file"
    ]
  },
  "V10": {
    "descriptions": [
      "Data"
    ]
  },
  "V2D": {
    "descriptions": [
      "Voucher design file"
    ]
  },
  "V4P": {
    "descriptions": [
      "vvvv patch"
    ]
  },
  "V64": {
    "descriptions": [
      "Nintendo 64 ROM"
    ]
  },
  "V8": {
    "descriptions": [
      "Covox 8bit file"
    ]
  },
  "VAI": {
    "descriptions": [
      "multimedia"
    ]
  },
  "VAL": {
    "descriptions": [
      "Validity checks and referential integrity",
      "Values list object file"
    ]
  },
  "VALA": {
    "descriptions": [
      "Sourcecode"
    ]
  },
  "VAN": {
    "descriptions": [
      "Animation"
    ]
  },
  "VAP": {
    "descriptions": [
      "Value Added Process",
      "Dialogic indexed adpcm voice file"
    ]
  },
  "VAR": {
    "descriptions": [
      "Variable file"
    ]
  },
  "VB": {
    "descriptions": [
      "Visual Basic .Net source file"
    ]
  },
  "VBOX": {
    "descriptions": [
      "virtual machine settings file (in XML format)[5]"
    ]
  },
  "VBOX-EXTPACK": {
    "descriptions": [
      "VirtualBox extension package[6]"
    ]
  },
  "VBOX-PREV": {
    "descriptions": [
      "backup of virtual machine settings file"
    ]
  },
  "VBPROJ": {
    "descriptions": [
      "Visual Basic .Net project file"
    ]
  },
  "VBR": {
    "descriptions": [
      "Visual Basic Custom Control file"
    ]
  },
  "VBS": {
    "descriptions": [
      "VBScript script file"
    ]
  },
  "VBX": {
    "descriptions": [
      "Visual Basic eXtension"
    ]
  },
  "VBZ": {
    "descriptions": [
      "Visual Basic Setup Wizard Template"
    ]
  },
  "VC": {
    "descriptions": [
      "Include file with color definitions",
      "Spreadsheet"
    ]
  },
  "VC6": {
    "descriptions": [
      "Graphite - 2D and 3D drafting"
    ]
  },
  "VCA": {
    "descriptions": [
      "Visual Clip Art"
    ]
  },
  "VCD": {
    "descriptions": [
      "VideoCD",
      "VirtualDrive CD Image File",
      "Value Change Dump (Verilog) temporal database file",
      "VisualCADD Drawing File"
    ]
  },
  "VCE": {
    "descriptions": [
      "Visual CertExam File"
    ]
  },
  "VCF": {
    "descriptions": [
      "Virtual Contact File"
    ]
  },
  "VCLS": {
    "descriptions": [
      "VocaListener voice scanner file"
    ]
  },
  "VCR": {
    "descriptions": [
      "VCR drivers for Arvid"
    ]
  },
  "VCW": {
    "descriptions": [
      "Visual workbench information"
    ]
  },
  "VCX": {
    "descriptions": [
      "Spreatsheet"
    ]
  },
  "VDA": {
    "descriptions": [
      "Targa bitmap graphics"
    ]
  },
  "VDI": {
    "descriptions": [
      "Virtual Disk Image"
    ]
  },
  "VDO": {
    "descriptions": [
      "Story Board video image"
    ]
  },
  "VDOC": {
    "descriptions": [
      "Vector Document File"
    ]
  },
  "VDR": {
    "descriptions": [
      "Drawing"
    ]
  },
  "VEG": {
    "descriptions": [
      "Vegas Project"
    ]
  },
  "VEW": {
    "descriptions": [
      "GroupWise for Windows",
      "View file"
    ]
  },
  "VF0": {
    "descriptions": [
      "Database file"
    ]
  },
  "VFA": {
    "descriptions": [
      "FontLab Database file"
    ]
  },
  "VFD": {
    "descriptions": [
      "Virtual Floppy Disk"
    ]
  },
  "VFM": {
    "descriptions": [
      "Ventura Font Metrics file",
      "Voting Form"
    ]
  },
  "VFN": {
    "descriptions": [
      "Voting Form for Customers"
    ]
  },
  "VGA": {
    "descriptions": [
      "VGA display driver",
      "VGA display font"
    ]
  },
  "VGD": {
    "descriptions": [
      "VGA display driver"
    ]
  },
  "VGM": {
    "descriptions": [
      "Video Game Music audio format"
    ]
  },
  "VGR": {
    "descriptions": [
      "Graphics file"
    ]
  },
  "VHD": {
    "descriptions": [
      "VHDL source file",
      "Virtual Hard Disk"
    ]
  },
  "VHDX": {
    "descriptions": [
      "Virtual Hard Disk v2"
    ]
  },
  "VI": {
    "descriptions": [
      "LabVIEW Virtual Instrument",
      "Graphics file",
      "Watcom editor script"
    ]
  },
  "VIA": {
    "descriptions": [
      "VIA Document Project"
    ]
  },
  "VIC": {
    "descriptions": [
      "see VICAR"
    ]
  },
  "VICAR": {
    "descriptions": [
      "Graphics (Video Image Communication and Retrieval)"
    ]
  },
  "VID": {
    "descriptions": [
      "Bitmap graphics (YUV12C M-Motion Frame Buffer)",
      "Graphics format",
      "MS-DOS Shell Monitor file",
      "Screen device driver"
    ]
  },
  "VIF": {
    "descriptions": [
      "see VIFF"
    ]
  },
  "VIFF": {
    "descriptions": [
      "Khoros Visualization Image File Format"
    ]
  },
  "VIK": {
    "descriptions": [
      "Graphics format (VIKING)"
    ]
  },
  "VIM": {
    "descriptions": [
      "Vim script file"
    ]
  },
  "VINF": {
    "descriptions": [
      "data"
    ]
  },
  "VIR": {
    "descriptions": [
      "Virus or infected file"
    ]
  },
  "VIS": {
    "descriptions": [
      "VIS graphics file"
    ]
  },
  "VLM": {
    "descriptions": [
      "Vellum, Vellum 2D, Vellum Draft, Vellum 3D, DrawingBoard",
      "Virtual Loadable Module"
    ]
  },
  "VLOGO": {
    "descriptions": [
      "Vector Logo File"
    ]
  },
  "VM": {
    "descriptions": [
      "Virtual Memory file"
    ]
  },
  "VMC": {
    "descriptions": [
      "Virtual memory configuration"
    ]
  },
  "VMCZ": {
    "descriptions": [
      "Hyper-V Exported Virtual Machine"
    ]
  },
  "VMDK": {
    "descriptions": [
      "Virtual Disk file"
    ]
  },
  "VMF": {
    "descriptions": [
      "Font characteristics"
    ]
  },
  "VMG": {
    "descriptions": [
      "Nokia message file format"
    ]
  },
  "VMS": {
    "descriptions": [
      "Text file containing VMS specific info"
    ]
  },
  "VMT": {
    "descriptions": [
      "Source Engine resource file"
    ]
  },
  "VO": {
    "descriptions": [
      "Include file with object definition"
    ]
  },
  "VOB": {
    "descriptions": [
      "Video Object"
    ]
  },
  "VOC": {
    "descriptions": [
      "Sound format (Creative Lab's Sound File)"
    ]
  },
  "VOF": {
    "descriptions": [
      "Object folder"
    ]
  },
  "VOP": {
    "descriptions": [
      "Visual Orangator Project",
      "Visual OTTHYMO Project"
    ]
  },
  "VOX": {
    "descriptions": [
      "Dialogic adpcm file"
    ]
  },
  "VP": {
    "descriptions": [
      "3DS Video posting"
    ]
  },
  "VPF": {
    "descriptions": [
      "Vector Product Format"
    ]
  },
  "VPG": {
    "descriptions": [
      "Graphics file"
    ]
  },
  "VPH": {
    "descriptions": [
      "Virtual Pascal Help"
    ]
  },
  "VPI": {
    "descriptions": [
      "Virtual Pascal Unit"
    ]
  },
  "VPM": {
    "descriptions": [
      "Garmin Voice Processing Module"
    ]
  },
  "VPP": {
    "descriptions": [
      "Visual Paradigm Project"
    ]
  },
  "VQA": {
    "descriptions": [
      "Vector Quantized Animation"
    ]
  },
  "VQM": {
    "descriptions": [
      "Hardware description language"
    ]
  },
  "VRM": {
    "descriptions": [
      "Overlay file",
      "Visual rexx source"
    ]
  },
  "VRML": {
    "descriptions": [
      "Virtual Reality Modeling Language"
    ]
  },
  "VRP": {
    "descriptions": [
      "Project"
    ]
  },
  "VRS": {
    "descriptions": [
      "Video Resource e.g. video device driver"
    ]
  },
  "VS": {
    "descriptions": [
      "Vellum Solids",
      "Include file with surface definition"
    ]
  },
  "VSD": {
    "descriptions": [
      "Diagram",
      "Visio drawing"
    ]
  },
  "VSDM": {
    "descriptions": [
      "Visio macro-enabled drawing"
    ]
  },
  "VSDX": {
    "descriptions": [
      "Visio drawing"
    ]
  },
  "VSM": {
    "descriptions": [
      "Visual Simulation Model"
    ]
  },
  "VSP": {
    "descriptions": [
      "Sprite"
    ]
  },
  "VSQ": {
    "descriptions": [
      "Vocal synthesizer track data"
    ]
  },
  "VSQX": {
    "descriptions": [
      "Vocal synthesizer track data"
    ]
  },
  "VSS": {
    "descriptions": [
      "SmartShapes file",
      "Visio Stencil"
    ]
  },
  "VSSM": {
    "descriptions": [
      "Visio Macro-enabled Stencil"
    ]
  },
  "VSSX": {
    "descriptions": [
      "Visio Stencil",
      "Visio Stencil"
    ]
  },
  "VST": {
    "descriptions": [
      "Truevision Vista graphics",
      "Visio Template"
    ]
  },
  "VSTM": {
    "descriptions": [
      "Visio Macro-enabled Template"
    ]
  },
  "VSTO": {
    "descriptions": [
      "Microsoft Office add-in file"
    ]
  },
  "VSTX": {
    "descriptions": [
      "Visio Template"
    ]
  },
  "VSVNBAK": {
    "descriptions": [
      "VisualSVN Server repository backup"
    ]
  },
  "VTF": {
    "descriptions": [
      "Source Engine resource file"
    ]
  },
  "VUE": {
    "descriptions": [
      "Animation",
      "View"
    ]
  },
  "VVV": {
    "descriptions": [
      "Video game save"
    ]
  },
  "VW": {
    "descriptions": [
      "Text file"
    ]
  },
  "VWR": {
    "descriptions": [
      "File viewer file"
    ]
  },
  "VWX": {
    "descriptions": [
      "CAD File"
    ]
  },
  "VXD": {
    "descriptions": [
      "Windows 3.x virtual device driver"
    ]
  },
  "VZT": {
    "descriptions": [
      "Temporal database file"
    ]
  },
  "W": {
    "descriptions": [
      "Word chart file"
    ]
  },
  "W01": {
    "descriptions": [
      "Yamaha SY-series wave files",
      "Yamaha TX16W wave file"
    ]
  },
  "W30": {
    "descriptions": [
      "Printer font"
    ]
  },
  "W31": {
    "descriptions": [
      "Startup file"
    ]
  },
  "W3A": {
    "descriptions": [
      "Warcraft III Abilities Export File"
    ]
  },
  "W3B": {
    "descriptions": [
      "Warcraft III Destructables Export File"
    ]
  },
  "W3D": {
    "descriptions": [
      "Warcraft III Doodads Export File",
      "Westwood 3D object format",
      "Shockwave 3D object format"
    ]
  },
  "W3G": {
    "descriptions": [
      "Warcraft III Replay File"
    ]
  },
  "W3H": {
    "descriptions": [
      "Warcraft III Buffs Export File"
    ]
  },
  "W3M": {
    "descriptions": [
      "Warcraft III Map"
    ]
  },
  "W3N": {
    "descriptions": [
      "Warcraft III Campaign"
    ]
  },
  "W3O": {
    "descriptions": [
      "Warcraft III Object Data Export File"
    ]
  },
  "W3P": {
    "descriptions": [
      "Warcraft III Save"
    ]
  },
  "W3Q": {
    "descriptions": [
      "Warcraft III Upgrades Export File"
    ]
  },
  "W3T": {
    "descriptions": [
      "Warcraft III Item Export File"
    ]
  },
  "W3U": {
    "descriptions": [
      "Warcraft III Unit Export File"
    ]
  },
  "W3V": {
    "descriptions": [
      "Warcraft III Save"
    ]
  },
  "W3X": {
    "descriptions": [
      "Warcraft III Expansion Map"
    ]
  },
  "W3Z": {
    "descriptions": [
      "Warcraft III Save"
    ]
  },
  "W40": {
    "descriptions": [
      "renamed system files (AUTOEXEC.BAT, COMMAND.COM, CONFIG.SYS,DBLSPACE.BIN.DRVSPACE.BIN,MSDOS.SYS) of Windows version"
    ]
  },
  "W44": {
    "descriptions": [
      "Temporary file for Sort or Index"
    ]
  },
  "W95": {
    "descriptions": [
      "Something for Windows95"
    ]
  },
  "WAD": {
    "descriptions": [
      "Where's All the Data?",
      "Nintendo proprietary format for Wii channels, menus, etc."
    ]
  },
  "WAG": {
    "descriptions": [
      "Yard Contents File"
    ]
  },
  "WAI": {
    "descriptions": [
      "Warcraft III AI Data File"
    ]
  },
  "WAR": {
    "descriptions": [
      "Java Web Archive"
    ]
  },
  "WAS": {
    "descriptions": [
      "ProComm Script File (source code)"
    ]
  },
  "WAV": {
    "descriptions": [
      "Sound format (Microsoft Windows RIFF WAVE)"
    ]
  },
  "WAX": {
    "descriptions": [
      "TVTonic WAX video packaging",
      "ProComm compiled script",
      "Windows Media Audio Shortcut"
    ]
  },
  "WB1": {
    "descriptions": [
      "Notebook"
    ]
  },
  "WB2": {
    "descriptions": [
      "Spreadsheet"
    ]
  },
  "WBF": {
    "descriptions": [
      "Microsoft Windows Batch File"
    ]
  },
  "WBK": {
    "descriptions": [
      "Document/workbook or Microsoft Word backup file"
    ]
  },
  "WBT": {
    "descriptions": [
      "Norton Desktop",
      "Wilsonware Batch file"
    ]
  },
  "WCD": {
    "descriptions": [
      "Condes Event Data file",
      "Macro token list"
    ]
  },
  "WCH": {
    "descriptions": [
      "WordPerfect Macro Facility"
    ]
  },
  "WCM": {
    "descriptions": [
      "Data transmission file",
      "Macro"
    ]
  },
  "WCP": {
    "descriptions": [
      "Product information description"
    ]
  },
  "WD": {
    "descriptions": [
      "InfoSelect Data file"
    ]
  },
  "WDB": {
    "descriptions": [
      "Database",
      "World Database"
    ]
  },
  "WDM": {
    "descriptions": [
      "Admin tool connection definition"
    ]
  },
  "WE?": {
    "descriptions": [
      "Packed mail"
    ]
  },
  "WEB": {
    "descriptions": [
      "WEB source code file"
    ]
  },
  "WEBLOC": {
    "descriptions": [
      "Web internet location"
    ]
  },
  "WFB": {
    "descriptions": [
      "Turtle Beach WaveFront Bank"
    ]
  },
  "WFD": {
    "descriptions": [
      "Turtle Beach WaveFront Drum"
    ]
  },
  "WFM": {
    "descriptions": [
      "Form object"
    ]
  },
  "WFN": {
    "descriptions": [
      "Font"
    ]
  },
  "WFP": {
    "descriptions": [
      "Turtle Beach WaveFront Prog."
    ]
  },
  "WFT": {
    "descriptions": [
      "Web Family Tree"
    ]
  },
  "WFX": {
    "descriptions": [
      "Data file"
    ]
  },
  "WG1": {
    "descriptions": [
      "Worksheet"
    ]
  },
  "WG2": {
    "descriptions": [
      "Worksheet"
    ]
  },
  "WID": {
    "descriptions": [
      "Width table"
    ]
  },
  "WIFI": {
    "descriptions": [
      "Torga OS Wifi Settings Database"
    ]
  },
  "WIKI": {
    "descriptions": [
      "Wiki markup (various flavors)"
    ]
  },
  "WIM": {
    "descriptions": [
      "Windows Imaging Format"
    ]
  },
  "WIN": {
    "descriptions": [
      "Window file"
    ]
  },
  "WIREFRAME": {
    "descriptions": [
      "Data"
    ]
  },
  "WIX": {
    "descriptions": [
      "Windows Installer XML"
    ]
  },
  "WIZ": {
    "descriptions": [
      "Page wizard"
    ]
  },
  "WK1": {
    "descriptions": [
      "Spreadsheet"
    ]
  },
  "WK3": {
    "descriptions": [
      "Spreadsheet"
    ]
  },
  "WK4": {
    "descriptions": [
      "Spreadsheet"
    ]
  },
  "WKB": {
    "descriptions": [
      "Document"
    ]
  },
  "WKE": {
    "descriptions": [
      "Spreadsheet"
    ]
  },
  "WKF": {
    "descriptions": [
      "VISI Working file"
    ]
  },
  "WKI": {
    "descriptions": [
      "Spreadsheet format"
    ]
  },
  "WKQ": {
    "descriptions": [
      "Spreadsheet"
    ]
  },
  "WKS": {
    "descriptions": [
      "Spreadsheet",
      "Workspace"
    ]
  },
  "WKZ": {
    "descriptions": [
      "Spreadsheet format"
    ]
  },
  "WLK": {
    "descriptions": [
      "Graphics",
      "Walk Through for any game"
    ]
  },
  "WMA": {
    "descriptions": [
      "Windows Media Audio audio file"
    ]
  },
  "WMC": {
    "descriptions": [
      "Backup of startup files by Windows MathCad autoexec.wmc",
      "Macro file",
      "Text file"
    ]
  },
  "WMDB": {
    "descriptions": [
      "Windows Media Player database"
    ]
  },
  "WMF": {
    "descriptions": [
      "Windows MetaFile vector graphics"
    ]
  },
  "WMO": {
    "descriptions": [
      "WoW Map Object"
    ]
  },
  "WMP": {
    "descriptions": [
      "Graphics (Windows Magic Icon Palette)"
    ]
  },
  "WMS": {
    "descriptions": [
      "Windows Media Player Skin File"
    ]
  },
  "WMV": {
    "descriptions": [
      "Windows Media Video video file"
    ]
  },
  "WN": {
    "descriptions": [
      "Text"
    ]
  },
  "WNF": {
    "descriptions": [
      "Corel Draw Font File"
    ]
  },
  "WOA": {
    "descriptions": [
      "Swap file"
    ]
  },
  "WOC": {
    "descriptions": [
      "Organization"
    ]
  },
  "WOFF": {
    "descriptions": [
      "Web Open Font Format"
    ]
  },
  "WOFF2": {
    "descriptions": [
      "Web Open Font Format"
    ]
  },
  "WORKFLOW": {
    "descriptions": [
      "Workflow"
    ]
  },
  "WOW": {
    "descriptions": [
      "Music (8 channels)"
    ]
  },
  "WP": {
    "descriptions": [
      "Word Perfect Format"
    ]
  },
  "WP5": {
    "descriptions": [
      "Document"
    ]
  },
  "WPD": {
    "descriptions": [
      "Document",
      "Windows printer driver (uninstallable)"
    ]
  },
  "WPF": {
    "descriptions": [
      "Fax",
      "Form"
    ]
  },
  "WPG": {
    "descriptions": [
      "WordPerfect Graphics vector graphics"
    ]
  },
  "WPJ": {
    "descriptions": [
      "Watcom C/C++ IDE project"
    ]
  },
  "WPK": {
    "descriptions": [
      "Macros"
    ]
  },
  "WPL": {
    "descriptions": [
      "MediaRack Wave Playlist",
      "Windows Media Playlist"
    ]
  },
  "WPM": {
    "descriptions": [
      "Macros"
    ]
  },
  "WPS": {
    "descriptions": [
      "Text document"
    ]
  },
  "WQ!": {
    "descriptions": [
      "Compressed spreadsheet"
    ]
  },
  "WQ1": {
    "descriptions": [
      "Spreadsheet"
    ]
  },
  "WR1": {
    "descriptions": [
      "Spreatsheet"
    ]
  },
  "WRD": {
    "descriptions": [
      "Template"
    ]
  },
  "WRI": {
    "descriptions": [
      "Write editor format"
    ]
  },
  "WRK": {
    "descriptions": [
      "Spreadsheet"
    ]
  },
  "WRL": {
    "descriptions": [
      "VRML file"
    ]
  },
  "WRP": {
    "descriptions": [
      "Archive"
    ]
  },
  "WRS": {
    "descriptions": [
      "Windows Resource e.g. might indicate error if word cannot open"
    ]
  },
  "WS": {
    "descriptions": [
      "APL Worksheet",
      "Document"
    ]
  },
  "WS2": {
    "descriptions": [
      "Text file"
    ]
  },
  "WS7": {
    "descriptions": [
      "RS7 Setting"
    ]
  },
  "WSD": {
    "descriptions": [
      "Document"
    ]
  },
  "WSF": {
    "descriptions": [
      "Windows Script File",
      "WordStar Font file"
    ]
  },
  "WSP": {
    "descriptions": [
      "Workspace"
    ]
  },
  "WSQ": {
    "descriptions": [
      "Wavelet-packet Scalar Quantization Format"
    ]
  },
  "WSRC": {
    "descriptions": [
      "X-wais source"
    ]
  },
  "WST": {
    "descriptions": [
      "Text file"
    ]
  },
  "WSV": {
    "descriptions": [
      "Keysight SystemVue Workspace file"
    ]
  },
  "WT": {
    "descriptions": [
      "Parameter or data dump file"
    ]
  },
  "WTF": {
    "descriptions": [
      "World of Warcraft Data File",
      "WinTaper Data"
    ]
  },
  "WTR": {
    "descriptions": [
      "Working Timetable rules file"
    ]
  },
  "WTT": {
    "descriptions": [
      "Working Timetable timings file"
    ]
  },
  "WV": {
    "descriptions": [
      "WavPack"
    ]
  },
  "WWB": {
    "descriptions": [
      "Button bar for document window"
    ]
  },
  "WWF": {
    "descriptions": [
      "WWF Document Format"
    ]
  },
  "WWK": {
    "descriptions": [
      "Keyboard layout"
    ]
  },
  "WXH": {
    "descriptions": [
      "Program/Script File"
    ]
  },
  "WXP": {
    "descriptions": [
      "Document"
    ]
  },
  "WZ": {
    "descriptions": [
      "Wizet game archive file"
    ]
  },
  "WZA": {
    "descriptions": [
      "Encrypted archive file"
    ]
  },
  "WebOOGL": {
    "descriptions": [
      "Web Object Oriented Graphics Library"
    ]
  },
  "X": {
    "descriptions": [
      "Archive",
      "AVS X image file",
      "DirectX 3D object",
      "LEX source code file",
      "XBasic Source code file"
    ]
  },
  "X3D": {
    "descriptions": [
      "x3d and xdart Formats"
    ]
  },
  "X64": {
    "descriptions": [
      "Executable file for 64-bit processors"
    ]
  },
  "X86": {
    "descriptions": [
      "Executable file for x86 processors"
    ]
  },
  "X86_64": {
    "descriptions": [
      "Executable file for x86-64 processors"
    ]
  },
  "XA": {
    "descriptions": [
      "XA audio file"
    ]
  },
  "XAR": {
    "descriptions": [
      "Xara graphics file",
      "eXtensible ARchive"
    ]
  },
  "XBE": {
    "descriptions": [
      "Xbox Executable"
    ]
  },
  "XBM": {
    "descriptions": [
      "X11 Bitmap graphics file"
    ]
  },
  "XCF": {
    "descriptions": [
      "Gimp image file"
    ]
  },
  "XCK": {
    "descriptions": [
      "Extended crack file (usually text)"
    ]
  },
  "XCL": {
    "descriptions": [
      "Xtree for Windows Script file"
    ]
  },
  "XDF": {
    "descriptions": [
      "OS/2 extended disk format image"
    ]
  },
  "XDM": {
    "descriptions": [
      "Directory Manipulator for 32-bit Protected Mode"
    ]
  },
  "XE": {
    "descriptions": [
      "Xenon - for Associative 3D Modeling"
    ]
  },
  "XEPH": {
    "descriptions": [
      "PixInsight Solar System Ephemeris Data File"
    ]
  },
  "XEX": {
    "descriptions": [
      "Xbox 360 Executable File"
    ]
  },
  "XFN": {
    "descriptions": [
      "Printer font"
    ]
  },
  "XFR": {
    "descriptions": [
      "Ventura Publisher Bitmap Editor Font file"
    ]
  },
  "XFT": {
    "descriptions": [
      "24 pin printer font"
    ]
  },
  "XI": {
    "descriptions": [
      "FastTracker 2 instrument file"
    ]
  },
  "XIF": {
    "descriptions": [
      "Xerox Image Format"
    ]
  },
  "XISB": {
    "descriptions": [
      "Extensible Image Serialization Format (XISF data blocks file)"
    ]
  },
  "XISF": {
    "descriptions": [
      "Extensible Image Serialization Format (monolithic XISF file)"
    ]
  },
  "XISH": {
    "descriptions": [
      "Extensible Image Serialization Format (XISF header file)"
    ]
  },
  "XLA": {
    "descriptions": [
      "Add-in macro sheet",
      "XLib Archive"
    ]
  },
  "XLB": {
    "descriptions": [
      "Microsoft Excel Toolbar"
    ]
  },
  "XLBL": {
    "descriptions": [
      "extensible Business Reporting Language"
    ]
  },
  "XLC": {
    "descriptions": [
      "Microsoft Excel Chart"
    ]
  },
  "XLD": {
    "descriptions": [
      "Microsoft Excel Dialog"
    ]
  },
  "XLF": {
    "descriptions": [
      "Extensible LADAR Format"
    ]
  },
  "XLK": {
    "descriptions": [
      "Microsoft Excel Archive"
    ]
  },
  "XLL": {
    "descriptions": [
      "Microsoft Excel Dynamic Link Library"
    ]
  },
  "XLM": {
    "descriptions": [
      "Microsoft Excel Macro File"
    ]
  },
  "XLR": {
    "descriptions": [
      "Microsoft Works"
    ]
  },
  "XLS": {
    "descriptions": [
      "Microsoft Excel Spreadsheet"
    ]
  },
  "XLSB": {
    "descriptions": [
      "Microsoft Excel 2007 Binary Workbook (BIFF12)(Spreadsheets)"
    ]
  },
  "XLSM": {
    "descriptions": [
      "Microsoft Excel 2007 Macro-Enabled Workbook (Spreadsheets)"
    ]
  },
  "XLSX": {
    "descriptions": [
      "Office Open XML Workbook (Spreadsheets)"
    ]
  },
  "XLT": {
    "descriptions": [
      "Microsoft Excel Template",
      "Translation table"
    ]
  },
  "XLV": {
    "descriptions": [
      "Microsoft Excel Module"
    ]
  },
  "XLW": {
    "descriptions": [
      "Microsoft Excel Workbook"
    ]
  },
  "XM": {
    "descriptions": [
      "FastTracker 2 extended module",
      "Music format"
    ]
  },
  "XMC ": {
    "descriptions": [
      "Assisted contact lists file format, based on xml and used in kindergartens and schools"
    ]
  },
  "XMF": {
    "descriptions": [
      "eXtensible Music Format"
    ]
  },
  "XMI": {
    "descriptions": [
      "Compressed eXtended MIdi music"
    ]
  },
  "XML": {
    "descriptions": [
      "eXtensible Markup Language file"
    ]
  },
  "XMOD": {
    "descriptions": [
      "Monarch Model"
    ]
  },
  "XMPZ": {
    "descriptions": [
      "XML Miradi Project Zipfile"
    ]
  },
  "XMV": {
    "descriptions": [
      "video"
    ]
  },
  "XNF": {
    "descriptions": [
      "Standard Network File form"
    ]
  },
  "XNK": {
    "descriptions": [
      "Microsoft Outlook"
    ]
  },
  "XOF": {
    "descriptions": [
      "RenderMorphics"
    ]
  },
  "XOSM": {
    "descriptions": [
      "PixInsight Project File"
    ]
  },
  "XP": {
    "descriptions": [
      "eXtended Pattern"
    ]
  },
  "XPL": {
    "descriptions": [
      "X-Plane system file"
    ]
  },
  "XPM": {
    "descriptions": [
      "X11 Pixel Map graphics file"
    ]
  },
  "XPO": {
    "descriptions": [
      "Microsoft Dynamics AX Export file"
    ]
  },
  "XPS": {
    "descriptions": [
      "Open XML Paper Specification / OpenXPS"
    ]
  },
  "XQT": {
    "descriptions": [
      "Executable file",
      "Macro sheet"
    ]
  },
  "XRM-MS": {
    "descriptions": [
      "XrML Digital License"
    ]
  },
  "XSD": {
    "descriptions": [
      "XML schema description"
    ]
  },
  "XSF": {
    "descriptions": [
      "data",
      "data"
    ]
  },
  "XSL": {
    "descriptions": [
      "XSL Stylesheet"
    ]
  },
  "XSLT": {
    "descriptions": [
      "XSLT file"
    ]
  },
  "XSPF": {
    "descriptions": [
      "XML Sharable Playlist Format"
    ]
  },
  "XTB": {
    "descriptions": [
      "External translation table"
    ]
  },
  "XTP": {
    "descriptions": [
      "XTreeGold overlay"
    ]
  },
  "XVF": {
    "descriptions": [
      "Xyngo Video File"
    ]
  },
  "XWD": {
    "descriptions": [
      "Xerox DocuWorks file (RTF internal?)",
      "X Window System window dump image graphics file"
    ]
  },
  "XWK": {
    "descriptions": [
      "Keyboard mapping"
    ]
  },
  "XWP": {
    "descriptions": [
      "Session",
      "Text file"
    ]
  },
  "XX": {
    "descriptions": [
      "XX-encoded file (ASCII)"
    ]
  },
  "XXE": {
    "descriptions": [
      "XX-encoded file (ASCII)"
    ]
  },
  "XXX": {
    "descriptions": [
      "Singer Embroidery Format"
    ]
  },
  "XY": {
    "descriptions": [
      "Text file"
    ]
  },
  "XY3": {
    "descriptions": [
      "Text file"
    ]
  },
  "XYW": {
    "descriptions": [
      "Text file"
    ]
  },
  "XYZ": {
    "descriptions": [
      "Molecular coordinates"
    ]
  },
  "XZ": {
    "descriptions": [
      "a lossless data compression file format incorporating the LZMA/LZMA2 compression algorithms."
    ]
  },
  "Xnn": {
    "descriptions": [
      "Secondary indexes"
    ]
  },
  "Y": {
    "descriptions": [
      "Archive (Amiga)",
      "YACC grammar file"
    ]
  },
  "YAL": {
    "descriptions": [
      "Data custom/nature.yal"
    ]
  },
  "YAML": {
    "descriptions": [
      "YAML source file"
    ]
  },
  "YC": {
    "descriptions": [
      "Archive"
    ]
  },
  "YLIB": {
    "descriptions": [
      "Yookoo Music Library Backup File"
    ]
  },
  "YML": {
    "descriptions": [
      "YML markup file"
    ]
  },
  "YMP": {
    "descriptions": [
      "Yast Meta Package"
    ]
  },
  "YOOKOO": {
    "descriptions": [
      "Yookoo Playlist"
    ]
  },
  "YRD": {
    "descriptions": [
      "Yard Tracks File"
    ]
  },
  "YST": {
    "descriptions": [
      "Data"
    ]
  },
  "YUV": {
    "descriptions": [
      "Graphics format (YUV)"
    ]
  },
  "YY": {
    "descriptions": [
      "Bison grammar file"
    ]
  },
  "YZ": {
    "descriptions": [
      "Archive"
    ]
  },
  "Ynn": {
    "descriptions": [
      "Secondary index"
    ]
  },
  "Z": {
    "descriptions": [
      "Archive"
    ]
  },
  "Z01-Z99": {
    "descriptions": [
      "Split WinRAR Archive"
    ]
  },
  "Z2S": {
    "descriptions": [
      "Zoo Tycoon 2 saved game"
    ]
  },
  "Z3": {
    "descriptions": [
      "Infocom game module"
    ]
  },
  "Z3D": {
    "descriptions": [
      "Zmodeler-file"
    ]
  },
  "Z64": {
    "descriptions": [
      "Nintendo 64 ROM",
      "Nintendo 64 ROM"
    ]
  },
  "Z80": {
    "descriptions": [
      "Snapshot"
    ]
  },
  "ZAD": {
    "descriptions": [
      "ZFax digitized voice file"
    ]
  },
  "ZARGO": {
    "descriptions": [
      "UML model project file"
    ]
  },
  "ZCC": {
    "descriptions": [
      "Cutpath for Zund digital cutting systems"
    ]
  },
  "ZDG": {
    "descriptions": [
      "Compressed ZiffNet text document"
    ]
  },
  "ZED": {
    "descriptions": [
      "BitTorrent Link"
    ]
  },
  "ZER": {
    "descriptions": [
      "Data file"
    ]
  },
  "ZIF": {
    "descriptions": [
      "Zoomable Image Format"
    ]
  },
  "ZIP": {
    "descriptions": [
      "Archive"
    ]
  },
  "ZOO": {
    "descriptions": [
      "Zoo Tycoon saved game"
    ]
  },
  "ZS": {
    "descriptions": [
      "Script for Minecraft mod MineTweaker[8]"
    ]
  },
  "ZTD": {
    "descriptions": [
      "Zoo Tycoon data"
    ]
  },
  "ZUR": {
    "descriptions": [
      "High level compressed file"
    ]
  },
  "ZUZ": {
    "descriptions": [
      "Cost estimating file"
    ]
  },
  "ZYP": {
    "descriptions": [
      "Reason Subtractor Patch File"
    ]
  },
  "ZZT": {
    "descriptions": [
      "ZZT World"
    ]
  },
  "___": {
    "descriptions": [
      "Adinf table"
    ]
  },
  "desktop": {
    "descriptions": [
      "Desktop Entry"
    ]
  },
  "gaupol-extension": {
    "descriptions": [
      ""
    ]
  },
  "miniUSF": {
    "descriptions": [
      "Nintendo proprietary MIDI file format for the Reality Signal Processor (Nintendo 64)"
    ]
  },
  "netCDF": {
    "descriptions": [
      "Network Common Data Format"
    ]
  },
  "nmf": {
    "descriptions": [
      "Node Map File"
    ]
  },
  "nnn": {
    "descriptions": [
      "Arj archive volumes up to 999",
      "Netware unicode rule table (e.g. 1250_Uni.036)",
      "News about smth with ext. of ver. number",
      "RAR archive volumes up to 999"
    ]
  },
  "p2v": {
    "descriptions": [
      "Backupfile of a project in eventplanning software plan2viz (windowsbased)"
    ]
  },
  "pet": {
    "descriptions": [
      "package[7]"
    ]
  },
  "t2flow": {
    "descriptions": [
      "Taverna 2 workflow definition"
    ]
  },
  "~$~": {
    "descriptions": [
      "Temporary file"
    ]
  },
  "~1~, ~2~, etc.": {
    "descriptions": [
      "Backup file (name is constructed with numbered backup option by appending ~, the incremented number, and another ~ after the original name)"
    ]
  },
  "~??": {
    "descriptions": [
      "Old Backup files (.MNU to .~MN)"
    ]
  },
  "~H": {
    "descriptions": [
      "Cardfile heap"
    ]
  },
  "Π": {
    "descriptions": [
      "THINK C project"
    ]
  },
  "μ": {
    "descriptions": [
      "Metrowerks Codewarrior project"
    ]
  }
}