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Computer Extension File Name

Are you looking for extension file name of computer?

Here is the list of computer extension files name.

www.techdesignsolutions.com Most of the computer has two different files name called first name and last (extension) name. A computer extension file is commonly use with three characters and seperated by period (.) from first name. This extension helps computers to identify program and how to properly open the file. This information is about the extension, the name of the program it works with, the specific function of the file, and the company that makes the program. The below table is a listing of the most commonly found extension file name by symbolic, numeric and alphabetic order.

#(Symbolic) | 0(Numeric)
 A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
#Description Back to the Top
.#01Numbered Picture File.
.#24Locoscript 24-pin Printer Data File.
.#GFMetaFont Font File.
.#IBLocoscript Dot Matrix Data File (LocoScript Software).
.#SCLocoscript Dot Matrix Data File (LocoScript Software).
.#STLocoscript Dot Matrix Printer Definition File (LocoScript Software).
.###Temporary file.
.###DoubleSpace Compressed Volume.
.###QTIC Temporary File.
.$BASIC VB VB1D Komp Symbole File.
.$#!AOL 5.0 Virchk File (AOL).
.$#!Cryptext.
.$00DOS Pipe File.
.$01DOS Pipe File.
.$01Midi File.
.$02DOS Pipe File.
.$02Midi File.
.$03DOS Pipe File.
.$04DOS Pipe File.
.$05DOS Pipe File.
.$1ZX Spectrum-Emulator.
.$AAutoCAD Autosave File (Autodesk).
.$CGraphics Converter Pro.
.$SGraphics Converter Pro.
.$ACAutoCAD Autosave File (Autodesk).
.$B5Apple II ProDOS 16 or GS/OS Shell Application (Apple Computer, Inc.).
.$DBdBASE Temp File.
.$EDC Editor Temporary File (Microsoft).
.$EDC/C++ Temporary Editor File (Microsoft).
.$EUMidiprg Mustat Compressed File.
.$IDCubase Compressed File (Steinberg).
.$LLCubase Compressed File (Steinberg).
.$LNC++ TLink Response File (Borland).
.$NGMidiprg Mustat Compressed File.
.$OLDOS Pipe File.
.$ONCubase Fonts Compressed File (Steinberg).
.$RICubase Audio Compressed File (Steinberg).
.$RRCubase Compressed File (Steinberg).
.$TFCubase Fonts Compressed File (Steinberg).
.$VMWindows 3.x Virtual Manager Temp File (Microsoft).
.$WMEpson Creative Studio Example File.
.$XEMustat Compressed Audio File.
.$$_Midiprg Capella Compressed File.
.$$AOS/2 program file.
.$$FOS/2 database file.
.$$POS/2 Notes (IBM).
.$$SOS/2 spreadsheet file.
.$$$Backup.
.$$$Used by OS/2 to keep track of archived files.
.$$$Temporary file.
.!CGraphics Converter Pro.
._00Soundtrack Compressed File.
._01Soundtrack Compressed File.
._02Soundtrack Compressed File.
._1Audio Utility Tuningwrench Compressed File.
._2Audio Utility Tuningwrench Compressed File.
._3Audio Utility Tuningwrench Compressed File.
.-5Audio Utility Tuningwrench Compressed File.
._8Audio Utility Tuningwrench Compressed File.
._HType Manager Japanese Font Outline (Adobe).
._VType Manager Japanese Font Metrics (Adobe).
._DBStratum Data Icons File.
._DDNorton Disk Doctor Recovered File.
._DMNuts n Bolts disk minder recovery file.
._MPInstallShield Temporary Installer File (InstallShield Software Corporation).
._RSRVS-COM Service Pack (Living Byte Software GmbH).
.___FPEFolder Password Expert Protected Folder (ZQS Software Team).
.___Adinf table.
.---File used to backup sys, ini, dat, and other important files from Windows 3.1 and above.
.---Microsoft Backup File Set (Microsoft).
.---Windows Temporary File.
.(D)pcAnywhere Temporary File.
.)2(LHA Archiver Temporary File.
.{PBBackup.
.???ANY Three Character Audio File.
.???Trend Micro Virus Pattern File (Trend Micro, Inc.).
.??_InstallShield Compressed File (InstallShield Software Corporation).
.??_Microsoft KWAJ compressed (Phil Katz's 'deflate').
.??_Microsoft SZDD compressed (Haruhiko Okumura's LZSS).
.~Temporary File.
.~APC++ AppExpert Project Database File (Borland).
.~BMImg RC File.
.~CUCursor File.
.~DEC++ Project Backup File (Borland).
.~DFDelphi DFM File Backup (Borland).
.~DFMDelphi Backup File (Borland).
.~DPDelphi DPR File Backup (Borland).
.~DRARKEY Drawing Backup.
.~MNNorton Commander Menu Backup.
.~NTNT Install Files.
.~NTXP Install File.
.~PADelphi PAS File Backup (Borland).
.~PASDelphi Backup (Borland).
.~PRTerramodel Project Backup.
.~REImage File.
.~SGTapCIS Message Index File.
.~$~1st Reader Temporary File.
.~_~Temporary File (Microsoft).
.~01(~01..~99) Norton Editor Backup File.
.~1~Illum Source File.
.~T~RK Archiver Temporary File (RK Software).
.~~AAp File.
.~~DWindows Applog File.
.~~FWindows Applog File.
.~~MWindows Applog File.
.~~~Temporary file.
.@HAImsiSoft E-mail Animator.
.@@@Screen Files.
.&&&Temporary File.
0Description Back to the Top
.0Javasoft JRE 1.3 Library File.
.0Flight Simulator Texture File (Microsoft).
.0Inno Setup Binary File.
.0WebOutfitter Service Verification Utility (Intel).
.0Hacha Split File.
.01Fifa 2001 User File.
.0-RPNG File.
.0-WPNG File.
.00_Winfnkt8 File.
.01_Winfunktion 8 File.
.02_Winfunktion 8 File.
.03_Winfunktion 8 File.
.04_Winfunktion 8 File.
.05_Winfunktion 8 File.
.06_Winfunktion 8 File.
.0BPagemaker printer font LineDraw enhanced characters.
.000PaperPort Scanned Image (ScanSoft Inc.)
.000(000-999) ARJ Multi-volume Compressed Archive.
.000(000-999) Sequentially Numbered Backup Files.
.000Doublespace Compressed Data File (Microsoft).
.000Geoworks Data File.
.000(000-999)Used to number backup versions of files or used to number related data files for multiple users of a small-scale PC application.
.000(000-999) Trend Micro Pattern File.
.000(000, 010, 020, 030, etc.) Advanced Revelation Database File (Revelation Software).
.000Empower Data File (Metapraxis Ltd.)
.000IsoBuster CD/DVD Image File (Container) (Smart Projects).
.000International S-57 Hydrographic Data Electronic Navigation Chart (US NOAA / US Army Corps of Engineers).
.001(001-0??) Fresh Download Split File (Freshdevices Corp.)
.001(001-999) HJSplit File.
.001Drivespace Virtual Drive (Microsoft).
.001Fax Data File.
.001Hayes JT FAX File.
.001Sometimes Used as Backup File.
.001Tagged Image Format File.
.001000 - Any Number) Totem Cash Ad File.
.001Genesis 2000 (Genesis 2000, Inc.)
.001SwiftView ICS Command File (SwiftView, Inc.)
.001International S-57 Hydrographic Data Electronic Navigation Chart (US NOAA / US Army Corps of Engineers).
.001(001-0??) Cutkiller Start of a Split File Sequence (N2jf Team).
.002Driveimage5 Setup File.
.002International S-57 Hydrographic Data Electronic Navigation Chart (US NOAA / US Army Corps of Engineers).
.003Driveimage5 Setup File.
.003International S-57 Hydrographic Data Electronic Navigation Chart (US NOAA / US Army Corps of Engineers).
.004International S-57 Hydrographic Data Electronic Navigation Chart (US NOAA / US Army Corps of Engineers).
.005International S-57 Hydrographic Data Electronic Navigation Chart (US NOAA / US Army Corps of Engineers).
.006International S-57 Hydrographic Data Electronic Navigation Chart (US NOAA / US Army Corps of Engineers).
.007James Bond 007: NightFire.
.007International S-57 Hydrographic Data Electronic Navigation Chart (US NOAA / US Army Corps of Engineers).
.008International S-57 Hydrographic Data Electronic Navigation Chart (US NOAA / US Army Corps of Engineers).
.009International S-57 Hydrographic Data Electronic Navigation Chart (US NOAA / US Army Corps of Engineers).
.00BPenSoft Payroll Backup File.
.01$(01$...Any Number$) Compressed Archive (Microsoft).
.016Formula 1 Car Race 2001 File.
.01BPenSoft Payroll Backup File.
.030Printer Driver File.
.031International S-57 Hydrographic Data Electronic Navigation Chart (US NOAA / US Army Corps of Engineers).
.033Printer Driver File.
.036Printer Driver File.
.042Printer Driver File.
.044Printer Driver File.
.049Printer Driver File.
.075Ventura Publisher 75dpi Screen Characters.
.085Ventura Publisher 85dpi Screen Characters.
.090Printer Driver File.
.091Ventura Publisher 91dpi Screen Characters.
.096Ventura Publisher 96dpi Screen Characters.
.0BPageMaker Printer Font LineDraw Characters (Adobe).
.0HAMaestro Mama File.
.075Ventura Publisher 75x75 dpi screen characters.
.085Ventura Publisher 85x85 dpi screen characters.
.091Ventura Publisher 91x91 dpi screen characters.
.096Ventura Publisher 96x96 dpi screen characters.
.1Inno Setup Binary File.
.1Roff/nroff/troff/groff Manual Source (UNIX).
.1(1..Any Number) Might be Part of a Version Number.
.1(1, 2, 3, etc.) Multi-part Super Nintendo Game-console ROM Image.
.1WebOutfitter Service Verification Utility (Intel).
.1Stuffit Archive File (Aladdin Systems, Inc.)
.1Pro/ENGINEER Backup File (PTC).
.1-1Likely a Section of an ASCII File.
.1-CGraphlib URT File.
.1-PPNG File.
.1STFile used by some software manufacturers to represent a file that should be read first before starting the program.
.1-STEP1-Step Backup (Iomega).
.10IBM Voice Type Language Script Data File.
.10Salt Lake City Game Music file.
.100Designer Graphics File.
.101OmniPage OCR File (ScanSoft, Inc.)
.102OmniPage OCR File (ScanSoft, Inc.)
.103OmniPage OCR File (ScanSoft, Inc.)
.104OmniPage OCR File (ScanSoft, Inc.)
.108OmniPage OCR File (ScanSoft, Inc.)
.10OEmbroidery File.
.10XGemini Bitmap Printer Graphics File.
.11IBM Voice Type Language Script Data File.
.11Salt Lake City Game Music file.
.110OmniPage OCR File (ScanSoft, Inc.)
.111Winfunktion 8 Grafik Julia1 File.
.112Winfunktion 8 Grafik Julia1 File.
.113Iomega Backup File (Iomega).
.118Winfunktion 8 Grafik Julia1 File.
.12IBM Voice Type Language Script Data File.
.12Salt Lake City Game Music File.
.1212Crypto Shell Extensions Certificate Revocation List.
.1231-2-3 Spreadsheet (Lotus).
.128OmniPage OCR File (ScanSoft, Inc.)
.129Winfunktion 8 Grafik Julia1 File.
.12MLotus 1-2-3 Smartmaster File.
.12UPageMaker Font (Adobe).
.13IBM Voice Type Language Script Data File.
.13Salt Lake City Game Music file.
.130Winfunktion 8 Grafik Julia1 File.
.133Winfunktion 8 Grafik Julia1 File.
.137Winfunktion 8 Grafik Julia1 File.
.139Winfunktion 8 Grafik Julia1 File.
.14IBM Voice Type Language Script Data File.
.14Salt Lake City Game Music File.
.143Winfunktion 8 Grafik Julia1 File.
.145Winfunktion 8 Grafik Julia1 File.
.149Winfunktion 8 Grafik Julia1 File.
.15IBM Voice Type Language Script Data File.
.15Salt Lake City Game Music File.
.151Winfunktion 8 Grafik Julia1 File.
.153Winfunktion 8 Grafik Julia1 File.
.159Winfunktion 8 Grafik Julia1 File.
.15UPageMaker Printer Font (Adobe).
.16IBM Voice Type Language Script Data File.
.16Salt Lake City Game Music File.
.160OmniPage OCR File (ScanSoft, Inc.)
.163Winfunktion 8 Grafik Julia1 File.
.167Winfunktion 8 Grafik Julia1 File.
.169Winfunktion 8 Grafik Julia1 File.
.16_Ntgraph Setup File.
.17IBM Voice Type Language Script Data File.
.175Winfunktion 8 Grafik Julia1 File.
.18IBM Voice Type Language Script Data File.
.18Salt Lake City Game Music File.
.183Winfunktion 8 Grafik Julia1 File.
.187Winfunktion 8 Grafik Julia1 File.
.19IBM Voice Type Language Script Data File.
.19Salt Lake City Game Music file.
.191Winfunktion 8 Grafik Julia1 File.
.196Computer Snooper Log File.
.1AUWave AFSP Man Audio File.
.1DKOS/2 SAVEDSKF Format File.
.1PETurboTax Form File (Intuit).
.1PHTurboTax (Intuit).
.1PSMan PS File.
.1q1(1Q19Q9) Squeeze.
.1STInformation.
.1TFortran File.
.1TX1toX File (Logipole).
.2IBM Voice Type Language Script Data File.
.2Salt Lake City Game Music File.
.2WebOutfitter Service Verification Utility (Intel).
.2Setup Factory 6.0 Setup Launcher (Microsoft).
.2UNIX Manual Page.
.20Salt Lake City Game Music File.
.200ebase 2.0.
.201Starmoney Agent Rollback File.
.207Winfunktion 8 Grafik Julia1 File.
.21Salt Lake City Game Music File.
.210Starmoney Bpd Hbcioffl 280 File.
.22Clipstream 20 Kb Stream.
.22Salt Lake City Game Music File.
.229Winfunktion 8 Grafik Julia1 File.
.232Office Install (Microsoft).
.24Salt Lake City Game Music File.
.24BBitmap Graphic.
.25Salt Lake City Game Music File.
.256Formula 1 Car Race 2001 File.
.261H.261 Encoded Video File.
.263H.263 Encoded Video File.
.28Salt Lake City Game Music file.
.281ASM Md86.
.286Windows 3.x Virtual Device Driver (Standard Mode).
.2ADictionary File.
.2BPPocket PC Bitmap.
.2DAmapi.
.2DVersaCAD 2D Drawing File.
.2DAInfinity Game Engine AD&D Rule Set.
.2DCCadwork 2D Catalog.
.2DKOS/2 SAVEDSKF Format File.
.2DRCadwork Road.
.2DSUnreal Tournament 2D Shape File (Epic Games).
.2GR3GR VGA Graphics driver/configuration files under Windows.
.2GRWindows EGA/VGA Screen Grabber.
.2GRFile used in Windows 3.x to display the graphics on older 286 and 386 computers.
.2MGXGS Apple IIGS Emulator 2IMG Disk Image Format.
.2SPHomePortal Firmware Recovery File (2Wire, Inc.)
.3IBM Voice Type Language Script Data File.
.3Salt Lake City Game Music File.
.3Solaris Device Configuration Assistant Boot Diskette.
.301Brooktrout Fax-Mail File.
.301Super FAX 2000 or Fax-Mail 96 Fax.
.303Seq-303 Settings.
.32Salt Lake City Game Music File.
.320Chromeleon Demo Data File.
.320Screamtracker 32 File.
.323H.323 Internet Telephony.
.32SWin 32s File.
.32XGens 2.0 File.
.32_Ntgraph Setup File.
.34Salt Lake City Game Music File.
.340Chromeleon Demo Data File.
.36Salt Lake City Game Music File.
.360Backup File.
.37Salt Lake City Game Music File.
.370Printer Driver File.
.386Windows Enhanced Mode Driver or Swap File (Microsoft).
.386Virtual machine support files for the 386 enhanced mode.
.38_Compressed Tvideo Card NEU File.
.3A3STABCAL (stability calculation for aqueous systems) File.
.3A5STABCAL (stability calculation for aqueous systems) File.
.3B3STABCAL (stability calculation for aqueous systems) File.
.3B5STABCAL (stability calculation for aqueous systems) File.
.3C3STABCAL (stability calculation for aqueous systems) File.
.3C5STABCAL (stability calculation for aqueous systems) File.
.3CN3D Movie Maker Scene (Microsoft).
.3DAdvent 3B2 Document.
.3DAl-Arabi Publisher Document.
.3DAtari Stereo CAD-3D Objects Graphics Format.
.3DVersaCAD 3D Drawing File.
.3DGeocadabra.
.3Di3D Browser File (Center for Advanced Studies, Research and Development in Sardinia).
.3D23DPlus2 Graphic (Serif).
.3D2Stereo CAD-3D Ver. 2.0 Objects Graphics Format (Atari).
.3D3Grafik Anim File.
.3D4Atari Stereo CAD-3D Objects Graphics Format.
.3DAAtmosphere World File (AtmosphereWorlds).
.3DB3D Mark Database.
.3DC3DCC Color Scheme.
.3DDGrafik Anim File.
.3DFQuickdraw 3D File.
.3DKOS/2 SAVEDSKF Format File.
.3DMRhino 3D Model File (Robert McNeel & Associates).
.3DMQuickdraw 3D Metafile (Apple Computer, Inc.)
.3DMIn3D (Flatland 3DML) Three Dimensional Markup Language.
.3DMF>QuickDraw 3D Metafile (Apple Computer, Inc.)
.3DMLRover 3D Modeling.
.3DMLIn3D (Flatland 3DML) Three Dimensional Markup Language.
.3DOTank3 Demo File.
.3DOTotal Annihilation Object File (Cavedog Entertainment).
.3DP3D Plus (Serif).
.3DP3DMark03 Pro Benchmark File (Futuremark Corporation).
.3DR3DMark Benchmark File (Futuremark Corporation).
.3DS3D Studio 3D Scene (Mesh File) (Autodesk).
.3DVGrafic 3DV File.
.3DVVisual Component File.
.3DWCadai 3D World Description (Cadai).
.3DXRhino 3D Model File (Robert McNeel & Associates).
.3DZEasy 3D Creator Project File.
.3FAdvent 3B2 Template.
.3FAl-Arabi Publisher Template.
.3FXCorel Chart 3D Effect.
.3G23GPP2 Multimedia File.
.3GPNokia 7650 Video Recorder Video File (Nokia).
.3GP3GPP Multimedia File.
.3GP23GPP2 Multimedia File.
.3GPP3GPP Multimedia File.
.3GRDevice Driver.
.3GRWindows SVGA/XVGA Screen Grabber.
.3GRFile used in Windows 3.x to display the graphics on later 386, 486 and Pentium computers.
.3HAdvent 3B2 Tag Header.
.3HAl-Arabi Publisher Tag Header.
.3INMSN Setup Information.
.3KAdvent 3B2 Keyboard Definition.
.3KAl-Arabi Publisher Keyboard Definition.
.3MAdvent 3B2 Macro.
.3MAl-Arabi Publisher Macro.
.3MM3D Movie Maker Movie (Microsoft).
.3OAdvent 3B2 Object Graphic.
.3O3STABCAL (stability calculation for aqueous systems) File.
.3O5STABCAL (stability calculation for aqueous systems) File.
.3PAdvent 3B2 Document Preferences.
.3PI3rd PlanIt.
.3PSMan Ps file.
.3RAdvent 3B2 Raster Image.
.3RAl-Arabi Publisher Raster Image.
.3RFAdvent 3B2 Extensions Script Cross Reference.
.3SAdvent 3B2 Paragraph Styles.
.3TAdvent 3B2 Text.
.3TOften a manual file.
.3T4Binary to ASCII Conversion.
.3TATriple-T Animation.
.3TFCrystal Reports (Crystal Decisions).
.3TH3D Movie Maker Actor (Microsoft).
.3TPTriple-T Plug-in.
.3XAdvent 3B2 Entity.
.3X53x5 Knowledge Base (Vega-Tek).
.3XE3DLinX Entity.
.3~6Windows 3.x System File.
.4IBM Voice Type Language Script Data File.
.4Salt Lake City Game Music File.
.40AOL 4.0 Organizer (AOL).
.400Designer Graphics File.
.404FruityLoops Channel State File.
.411Sony Mavica Data File.
.42Salt Lake City Game Music File.
.44Clipstream 32 Kb Stream.
.45Salt Lake City Game Music File.
.49Salt Lake City Game Music File.
.4A3STABCAL (stability calculation for aqueous systems) File.
.4A5STABCAL (stability calculation for aqueous systems) File.
.4B3STABCAL (stability calculation for aqueous systems) File.
.4B5STABCAL (stability calculation for aqueous systems) File.
.4BITGoDot.
.4BTGoDot Graphic.
.4C$4Cast/2 Data.
.4C3STABCAL (stability calculation for aqueous systems) File.
.4C5STABCAL (stability calculation for aqueous systems) File.
.4CX4th Dimension Carbonized Plug-in (4D, Inc.)
.4DB4D Database Structure.
.4DC4th Dimension Compiled Structure (4D, Inc.)
.4DD4D Database Data.
.4DF4D Database Windows Search Document.
.4DKOS/2 SAVEDSKF Format File.
.4DL4D Database Windows Log File.
.4DR4D Database Data.
.4DS4D Database Windows Data Segment.
.4DX4D Database Plug-in.
.4FI4D Database Windows ASCII Map.
.4FR4D Database Windows Apply Formula Document.
.4GEInformix 4GL Compiled Code.
.4GLInformix 4GL Source.
.4H3STABCAL (stability calculation for aqueous systems) File.
.4LB4D Database Windows Label.
.4LK4D Database Windows Hot Link File.
.4MDMusic File.
.4O3STABCAL (stability calculation for aqueous systems) File.
.4O5STABCAL (stability calculation for aqueous systems) File.
.4PPPhotoParade Ver 4+ Slideshow (Callisto Corporation).
.4QR4D Database Windows Quick Report.
.4ST4D Database Windows Saved Set.
.4SW4DOS Swap File.
.4THFORTH Source Code Program.
.4UG4D Database Windows User/Groups Set.
.4VQuartet Music File.
.4VR4D Database Windows Saved Variable.
.4XM4X Movie Format.
.5IBM Voice Type Language Script Data File.
.5Salt Lake City Game Music File.
.510Cthugha 51 File.
.51ZCropWalker.
.521Murray State University Trojan Ring Configuration File.
.545aiMutation AOL Instant Messenger Skin.
.586Asm586.
.5DWorks File (Microsoft).
.5DKOS/2 SAVEDSKF Format File.
.5OODOS7 File.
.5PSManual PS File.
.6IBM Voice Type Language Script Data File.
.6Salt Lake City Game Music File.
.602T602 Text File.
.60DVista Columbus Digital CCTV System Recording.
.60HVista Columbus Digital CCTV System Recording.
.64BC64 PC64 Emulator File.
.64CC64 PC64 Emulator File.
.64DC64 PC64 Emulator File.
.64KC64 PC64 Emulator File.
.668Music File.
.669669 Tracker Module.
.669Unis Composer Music File.
.68PC Curses 14 File.
.682Trend Pc-cillin 2000 File.
.686Asm686.
.699Portable 699 Loader v0.2.
.6AMHaltech ECU Fuel and Ignition Map.
.6CMSound; 669 Composer.
.6CMTriton FastTracker 6-Channel Music.
.6DKOS/2 SAVEDSKF Format File.
.7IBM Voice Type Language Script Data File.
.7Salt Lake City Game Music File.
.710Korg Triton Music Workstation.
.712HTMST712 File.
.73DTI-73 Debugger File (Texas Instruments, Inc.)
.73GTI-73 Group (Texas Instruments, Inc.)
.73ITI-73 Bitmap (Texas Instruments, Inc.)
.73PTI-73 Calculator Program (Texas Instruments, Inc.)
.75Ventura Publisher 75x75 dpi Display Font.
.777777 Compressed File Archive.
.7DKOS/2 SAVEDSKF Format File.
.7PSManual PS File.
.7Z7-Zip Compressed File.
.8A86 Assembler Source Code.
.82BTI-82 Backup (Texas Instruments, Inc.)
.82GTI-82 Group (Texas Instruments, Inc.)
.82ITI-82 Bitmap (Texas Instruments, Inc.)
.82PTI-82 Calculator Program (Texas Instruments, Inc.)
.83DTI-83 Debugger File (Texas Instruments, Inc.)
.83GTI-83 Group (Texas Instruments, Inc.)
.83ITI-83 Bitmap (Texas Instruments, Inc.)
.83PTI-83 Calculator Program (Texas Instruments, Inc.)
.83SDTI-83 Plus Silver Edition Debugger File (Texas Instruments, Inc.)
.85Ventura Publisher 85x85 dpi Display Font.
.850Visual Foxpro 98 File.
.852Visual Foxpro 98 File.
.8548514 Resolution BMP Bitmap.
.85GTI-85 Group (Texas Instruments, Inc.)
.85ITI Bitmap.
.85ITI-85 Bitmap (Texas Instruments, Inc.)
.85PTI-85 Calculator Program (Texas Instruments, Inc.)
.866Visual Foxpro 98 File.
.86GTI-86 Group (Texas Instruments, Inc.)
.86ITI-86 Bitmap (Texas Instruments, Inc.)
.86PTI-86 Calculator File.
.86PTI-86 Calculator Program (Texas Instruments, Inc.)
.890SAM Digital Subtitle (Cavena Image Products AB).
.89ITI-89 Bitmap (Texas Instruments, Inc.)
.89PTI-89 Calculator Program (Texas Instruments, Inc.)
.89YTI-89 Program/Graphic (Texas Instruments, Inc.)
.89ZTI-89 Program/Graphic (Texas Instruments, Inc.)
.8BAPhotoDeluxe (Adobe).
.8BCPhotoshop Plug-in (Adobe).
.8BEPhotoDeluxe Plug-in (Adobe).
.8BFFilter Factory File.
.8BFPhotoDeluxe (Adobe).
.8BFCreative Pack/Designer Sextet/Webmaster Series/Tesselation Photoshop/Paint Shop Pro Plug-In (Flaming Pear Software).
.8BIPhotoDeluxe Plug-in (Adobe).
.8BI8Photoshop Plug-in (Adobe).
.8BLPhotoshop Plug-in (Adobe).
.8BPPhotoshop Import (Adobe).
.8BPSPhotoshop (Adobe).
.8BSPhotoshop Plug-in (Adobe).
.8BXPhotoDeluxe Plug-in (Adobe).
.8BYPhotoDeluxe Plug-in (Adobe).
.8CMTriton FastTracker 8-Channel Music.
.8DKOS/2 SAVEDSKF Format File.
.8LIPhotoshop Plug-in (Adobe).
.8LYPhotoshop Plug-in (Adobe).
.8MPageMaker Math 8 Printer Font (Adobe).
.8MEDAmiga OctaMed Music (Amiga).
.8SVXAmiga 8-bit Sound (Amiga).
.8UPageMaker Roman 8 Printer Font (Adobe).
.8XETI-83 Plus Calculator Program (Texas Instruments, Inc.)
.8XITI-83 Plus Bitmap (Texas Instruments, Inc.)
.8XKMirageOS Flash Application for TI-83 Plus.
.8XPTI-83 Plus Calculator Program (Texas Instruments, Inc.)
.8XPTI-83 Plus Calculator Program (Texas Instruments, Inc.)
.8XUTI-83 Plus Calculator Program (Texas Instruments, Inc.)
.9IBM Voice Type Language Script Data File.
.9Salt Lake City Game Music File.
.906Calcomp Plotter File.
.91Ventura Publisher 91x91 dpi Display Font.
.911Config 911s File.
.915Config 915e File.
.917Trend Antivirus File.
.92GTI-92 Group (Texas Instruments, Inc).
.92ITI-92 Bitmap (Texas Instruments, Inc).
.92PTI-92 Calculator Program (Texas Instruments, Inc).
.92TTI-92 Text (Texas Instruments, Inc).
.96Ventura Publisher 96x96 dpi Display Font.
.98DLL Directx Migrate File.
.999Multipass Security File.
.99_Casino Game File.
.9BWavetool File.
.9BTWavetool File.
.9DKOS/2 SAVEDSKF Format File.
.9KPDoom Archived TGA Graphics (id Software).
.9XGTI-92 Plus Group (Texas Instruments, Inc).
.9XITI-92 Plus Bitmap (Texas Instruments, Inc).
.9XKTI-92 Plus Circuit Analysis (Texas Instruments, Inc).
.9XPTI-92 Plus Calculator Program (Texas Instruments, Inc).
.9XYTI-92 Plus Archived Calculator Program (Texas Instruments, Inc).
.9XZTI-92 Plus Calculator Program (Texas Instruments, Inc).
ADescription Back to the Top
.AADA program file or UNIX library
.A3WMacroMedia Authorware 3.5 file
.ABKAutobackup file used with Corel Draw 6 and above.
.ABRBrush file for Adobe Photoshop
.ACEWinAce compressed file.
.ACTAdobe Photoshop Color table file.
.ADAfter Dark file.
.ADFAdapter description files.
.ADMAfter Dark screen saver module.
.ADRAfter Dark randomizer or Opera browser bookmark backup.
.AIAdobe Illustrator file.
.AIFAuto Interchange File Format (AIFF) Audio file.
.ANIWindows 95/Windows 98/Windows NT animated mouse cursor file.
.ANSANSI text file.
.ARJCompressed file can be used with Winzip /Pkzip.
.ASCASCII Text file.
.ASFSort for Advanced Streaming Format, file developed by Microsoft. The .ASF file is generally a movie player and can be open with software such as Windows Media Player.
.ASPMicrosoft FrontPage Active Server Pages. To open these files use your internet browser.
.ATOCompaq Just Burn File.
.AVIMicrosoft Windows Movie file.
BDescription Back to the Top
.BAKBackup file used for important windows files usually used with the System.ini and the Win.ini.
.BASQBasic program and or Visual Basic Module.
.BATBatch file that can perform tasks for you in dos, like a macro.
.BFCMicrosoft Windows 95/Windows 98 Briefcase file.
.BGBackgammon game file.
.BINTranslation tables for code pages other than the standard 437.
.BK2Corel Word Perfect for Windows Backup file.
.BK3Corel Word Perfect for Windows Backup file.
.BK4Corel Word Perfect for Windows Backup file.
.BK5Corel Word Perfect for Windows Backup file.
.BK6Corel Word Perfect for Windows Backup file.
.BK7Corel Word Perfect for Windows Backup file.
.BK8Corel Word Perfect for Windows Backup file.
.BK9Corel Word Perfect for Windows Backup file.
.BMPGraphical Bit Mapped File used in Windows Paintbrush.
.BNKSim City Backup.
.BPSMicrosoft Works Word Processor File.
.BPTCorel Draw Bitmap master file.
.BV1Corel Word Perfect for Windows Backup file.
.BV2Corel Word Perfect for Windows Backup file.
.BV3Corel Word Perfect for Windows Backup file.
.BV4Corel Word Perfect for Windows Backup file.
.BV5Corel Word Perfect for Windows Backup file.
.BV6Corel Word Perfect for Windows Backup file.
.BV7Corel Word Perfect for Windows Backup file.
.BV8Corel Word Perfect for Windows Backup file.
.BV9Corel Word Perfect for Windows Backup file.
.BWPBatteryWatch pro file.
.BZ2Compressed bzip2 and bunzip compressed file.
CDescription Back to the Top
.CC file used with the C programming language.
.CABCabinet file used in Windows 95 and Windows 98 that contains all the windows files and drivers. Information about how to extract a .CAB file can be found on document CH000363.
.CALWindows Calendar, Supercalculator4 file or Supercal spreadsheet.
.CBLCOBOL Program File.
.CBTComputer Based Training files.
.CDACD Audio Player Track.
.CDRCorel Draw Vector file.
.CFBComptons Multimedia file.
.CFGConfiguration file.
.CFLCorel flowchart file.
.CFMCorel FontMaster file / Cold Fusion Template file / Visual dBASE windows customer form.
.CHKScandisk file which is used to back up information that scandisk has found to be bad, found in C root. Because the information within these files are corrupted or reported as bad by Scandisk it is perfectly fine to delete these files, providing you are currently not missing any information. Additional information about scandisk can be found on our scandisk page.
.CLGeneric LISP source code.
.CL3Easy CD Creator layout file.
.CL4Easy CD Creator layout file.
.CLAJava Class file.
.CLGDisk catalog database.
.CLKCorel R.A.V.E. animation file.
.CLLCrick software clicker file.
.CLOCloe image.
.CLPWindows Clipboard / Quattro Pro clip art / Clipper 5 compiler script.
.CLRWinEdit Colorization word list / 1st reader binary color screen image / PhotStyler color definition.
.CLSVisual Basic Class module /  C++ Class definition.
.CMDWindows Script File also OS/2 command file.
.CMVCorel Movie file.
.CNTHelp file (.hlp) Contents (and other file contents).
.CPLWindows 95/Windows 98/Windows NT control panel icons.
.CNEConfiguration file that builds .COM files.
.CNFConfiguration file.
.COBCOBOL source code file.
.CODFORTRAN Compiler program code.
.COMFile that can be executed.
.CPEFax cover page file.
.CPICode Page Information or Microsoft Windows applet control panel file.
.CPPC++ source code file.
.CRDWindows Card file.
.CSVComma-Separated Variable file. Used primary with databases and spreadsheets/Image file used with CopuShow.
.CURWindows Mouse Cursor.
.CVSCanvas drawing file.
.CXXC++ program file or Zortech C++ file.
DDescription Back to the Top
.DATClarion DOS Database (SoftVelocity).
.DATData file, generally associated or extra data for a program to use.
.DBParadox database file/Progress database file.
.DB2dBase II file.
.DBCMicrosoft Visiual Foxpro database container.
.DBFdBase II,III,III+,IV / LotusWorks database.
.DBKdBase databse backup / Orcad schematic capture backup file.
.DBMCold Fusion template.
.DBOdBase IV compiled program file.
.DBQParadox memo.
.DBTdBase database text file.
.DBVFlexfile memo field file.
.DBWDataBoss database file.
.DBXDatabase file / DataBeam Image / MS Visual Foxpro Table.
.DEVDevice Driver.
.DIFDocument Interchange Format VisiCalc.
.DLLDynamic Link Library Allow executable code modules to be loaded on demand, linked at run time, and unloaded when not needed. Windows uses these files to support foreign languages and international/nonstandard keyboards.
.DMODemo file.
.DMPDump file.
.DMDVisual dBASE data module.
.DMFDelusion/XTracker Digital Music File.
.DMODemo file.
.DMPDump file.
.DMSCompressed archive file.
.DOCMicrosoft Word Windows/DOS / LotusWorks word processor Windows/DOS /PF S:First Choice Windows/DOS DOT MS Word Windows/DOS.
.DOSText file and DOS Specification Info.
.DOTMicrosoft Word Template (Macro).
.DRVDevice driver files that attach the hardware to Windows. The different drivers are system, keyboard, pointing devices, sound, printer/ plotter, network, communications adapter.
.DRWMicrografx draw/graph files.
.DT_Macintosh Data File Fork.
.DTAData file.
.DTDSGML Document definition file.
.DTFQA database.
.DTMDigiRekker module.
.DTPSecurDesk! Desktop / Timeworks Publisher Text Document / Pressworks Template file.
.DUNDialup Networking exported file.
.DXDocument Imaging file/Digital data exchange file.
.DXBDrawing interchange binary file.
.DXFAutocad drawing interchange format file.
.DXNFujitsu dexNet fax document.
.DXRMacromedia director projected movie file.
.DYNLotus 1-2-3 file.
.DWFShort for Design Web Format, DWF is a Autodesk file used to store formatted text on the Internet.
.DWGAutoCad Drawing Database.
EDescription Back to the Top
.EEBButton bar for Equation Editor in Word Perfect for Windows.
.EFTCHIWRITER high resolution screen characters.
.EGAEGA screen characters for Ventura Publisher.
.ELGEvent List text file used with Prosa.
.EMSEnhanced Menu System configuration file for PC Tools.
.EMUIRMA Workstation for Windows emulation.
.ENCADW Knowledge Ware Encyclopedia.
.ENDCorel Draw Arrow Definition file.
.ENGSprint dictionary file engine.
.ENVWord Perfect for Windows environment file.
.EPGExported PaGe file used with DynaVox.
.EPSEncapsulated Postscript, with embedded TIFF preview images.
.EQNWord Perfect for Windows Equation file.
.ERDEntity Relation Diagram graphic file.
.ERMEntity Relation Diagram model file.
.ERRError log file.
.ESHExtended Shell Batch file.
.EVTEvent file scheduler file for PC Tools.
.EX3Device driver for Harvard graphics 3.0
.EXCQEMM exclude file from optimization file or Rexx program file.
.EXDControl information cache for Microsoft office document files.
.EXEExecutable file.
.EXTExtension file for Norton Commander.
FDescription Back to the Top
.FDFAdobe Acrobat Forms Document.
.FFAGFA CompuGraphics outline font description.
.FFAMicrosoft Fast Find file.
.FFFGUS PnP bank / defFax fax document.
.FFLMicrosoft Fast Find file / PrintMaster Gold form file.
.FFOMicrosoft Fast Find file.
.FFTDCA/FFT final form text.
.FFXMicrosoft Fast Find file.
.FONFont files to support display and output devices.
.FR3dBase IV renamed dBase III+ form.
.FRFFontMonger Font.
.FRGdBase IV uncompiled report.
.FRKCompressed zip file used with Apple Macintosh computers.
.FRMForm file used with various programs/Microsoft Visual Basic Form / FrameMaker document / FrameBuilder file / Oracle executable form / Word Perfect Merge form / DataCAD symbol report file.
.FROdBase IV compiled report / FormFlow file.
.FRPPerForm Pro Plus Form.
.FRSWordPerfect graphics driver.
.FRTFoxPro report file.
.FRXMicrosoft Visual basic binary form file / FoxPro report file.
.FRZFormFlow file.
GDescription Back to the Top
.GIFCompuServe Graphics Interchange Format.
.GR2286 grabbers that specify which font to use with DOS and Windows.
.GR3386 grabbers that specify which font to use with DOS and Windows.
.GRAMicrosoft Flight simulator graphics file.
.GRBMicrosoft MS-DOS shell monitor.
.GRFMicrografx draw/graph files.
.GRPMicrosoft Program Group.
.GZCompressed Archive file for GZip.
HDescription Back to the Top
.HBKMathcad handbook file.
.HDLProcomm Plus alternate download file listing.
.HDRProcomm Plus message header.
.HDXHelp index.
.HEXHex dump.
.HFIGEM HP font info.
.HGLHP graphics language graphic.
.HHC++ Header.
.HHHPrecompiled Header for Power C.
.HHPHelp data for Procomm Plus.
.HLPFiles that contain the Help feature used in windows, cannot be read from DOS.
.HQXApple Macintosh Binhex text conversion file.
.HSQData files associated with the Qaz Trojan.
.HSSPhotoshop Hue/Saturation information.
.HSTHistory file / Procomm Plus History File / Host file.
.HTAHypertext Application (run applications from HTML document).
.HTMWeb page files containing HTML or other information found on the Internet.
.HTMLWeb page files containing HTML or other information found on the Internet.
IDescription Back to the Top
.ICACitrix file / IOCA graphics file.
.ICBTarga Bitmap.
.ICCKodak printer image.
.ICEArchive file.
.ICLIcon library file.
.ICMImage Color Matching profile file.
.ICNMicrosoft Windows Icon Manager.
.ICOMicrosoft Windows Icondraw / Icon.
.IDDisk identification file.
.IDBMicrosoft developer intermediate file, used with Microsoft Visual Studio.
.IDDMIDI instruments definition.
.IDEIntegrated Development Environment configuration file.
.IDFMIDI instruments drivers file.
.IDQInternet data query file.
.IDXIndex file.
.IFFIFF/LBM (Amiga) used by Computer Eyes frame grabber.
.IMGGEM/IMG (Digital Research) or Ventura Publisher bitmap graphic.
.INFInformation file that contains customization options.
.INIFiles that initialize Windows and Windows apps.
.IPFInstaller Script File / OS/2 online documentation for Microsoft source files.
.ISOCompressed file used for an exact duplicate of a CD. .ISO files can be extracted or opened such programs as Win Image that can be found on our shareware download section. Also see our ISO image dictionary definition.
.IWAIBM Writing Assistant Text file.
JDescription Back to the Top
.JASGraphic.
.JPGGraphic commonly used on the Internet and capable of being opened by most modern image editors.
.JSJavaScript file.
.JSBHenter-Joyce Jaws script binary file.
.JSDeFAX jet suite document.
.JSEJScript encoded script file.
.JSHHenter-Joyce Jaws script header file.
.JSLPaintShop pro file.
.JSMHenter-Joyce Jaws script message file.
.JSPJava server page.
.JSSHenter-Joyce Jaws script source file.
.JTJT fax file.
.JTFJPEG tagged Interchange format file.
.JTKSun Java toolkit file.
.JTPJetForm file.
.JWJustwrite text file.
.JWLJustwrite text file library.
.JZZJazz spreadsheet.
KDescription Back to the Top
.KDesktop Color Separation Specification Black Layer.
.KNRJ Live File.
.K00Tonline DB File.
.K01Tonline DB File.
.K01Clarion DOS Database Key File (SoftVelocity).
.K02Tonline DB File.
.K02Clarion DOS Database Key File (SoftVelocity).
.K03Tonline DB File.
.K03Clarion DOS Database Key File (SoftVelocity).
.K04Clarion DOS Database Key File (SoftVelocity).
.K05Clarion DOS Database Key File (SoftVelocity).
.K06Clarion DOS Database Key File (SoftVelocity).
.K07Clarion DOS Database Key File (SoftVelocity).
.K08Clarion DOS Database Key File (SoftVelocity).
.K09Clarion DOS Database Key File (SoftVelocity).
.K1SWave Glib19 File.
.K2Kar2ouche Storyboard File.
.K25Kodak DC25 Digital Camera File.
.K25Kurzweil 2500 Sample.
.K3D3DS Macro Language Description.
.K7DCMO6 Emulator Tape Image.
.KALSfkal Calender Kal_40 File.
.KAPMapInfo Sea Chart.
.KARKaraoke File used with some audio players.
.KARFOX+ 2.0.
.KARKeep-It Archive (Remember International Associates Ltd).
.KATKatorzer Music Composition.
.KAUKeyAudit Software Audit.
.KBC++ Keyboard Script (Borland).
.KBKnowledge Pro Source Code.
.KBDKeyboard Script File Layout (Microsoft).
.KBFMyInfo Documnet/Outline (Milenix Software).
.KBIKeirsey-Bates Temperament Sorter Index.
.KBMReflection Keyboard Script File Layout.
.KBMScala Keyboard Mapping.
.KBPKeirsey-Bates Temperament Sorter Profile.
.KBRKeirsey-Bates Temperament Sorter Data.
.KBRThe Drums Pro file.
.KBSACE Studio Model Builder.
.KCFKiss Palette File.
.KCHK-Chess Notation.
.KCLKyoto Common LISP Source Code.
.KCPKeychamp File.
.KDBkinodb File (datb).
.KDBKeePass Password Database (Dominik Reichl).
.KDCKodak Photo-Enhancer/Photogen File.
.KDELNKKDE Desktop.
.KDFKinkos Photo (Kinko's, Inc.)
.KDFVisiQuest (Khoros) Standard Data Format (AccuSoft).
.KDHCAJViewer.
.KDKKodak Proprietary Decimated TIFF Format.
.KDOKudo Picture Browser.
.KE$Modem Bitware Fax Disk2 File.
.KEDKEDIT Profile and Macro File.
.KENPlayer CDcheck Compressed File.
.KEPTurbo Pascal DOS TP19 Compressed Kepler File (Borland).
.KEPSapShow Training File (SAP).
.KESKurzweil 3000 Scan/Read File.
.KEVJAWS for Windows Preload File (Freedom Scientific).
.KEXKEDIT Macro File.
.KEXTMac OS X Kernel Extension (Apple).
.KEYOS/2 Archive .KEY-file.
.KEYArcView Geocoding Matching Keys (ESRI).
.KEYDataCAD Icon Toolbar File (DATACAD LLC).
.KEYDiablo II Key File (Blizzard Entertainment).
.KEYForecast Pro Datafile.
.KEYFractInt Demo Script.
.KEYInfinity Game Engine Directory of Resources, Locations and Types.
.KEYKeyboard Definition File.
.KEYNational Construction Estimator 32 Costbook Key File.
.KEYProgram Security or Registration File.
.KEYSentry 2020 Encryption File.
.KEYTBAV File.
.KEYTop Secret Crypto Gold File.
.KEYBusiness Key Accounting File (Universal Systems).
.KEYKeynote Presentation Wrapper Folder (Apple Computer).
.KEYBOARDAmaya Configuration.
.KE_Ntgraph Ze32v215 File.
.KF2Max Payne Model File (Rockstar Games).
.KFADark Age of Camelot Animation.
.KFPKinkos File Prep Tool.
.KFSMax Payne Model File (Rockstar Games).
.KFTMatrox X Tools Keyframe (Matrox Electronic Systems Ltd.)
.KFX2D Graphic.
.KFXKoFax Group 4 Image.
.KGBKremlin Encrypt File.
.KGBZ80 Spectrum Emulator Snap/File Formats.
.KGPImage.
.KICKodak Image Compression File (Kodak).
.KIDTonline Bsw4 Install Mdmimp File.
.KIFAutoCAD Key Index (Autodesk).
.KIFKnowledge Interchange Format Draft Proposition.
.KILInterview File.
.KIMCommodore KIM-1 Program Image File.
.KINKinemage Chemical Test.
.KINProtein Structure.
.KITPower Chord Drum Kit.
.KITRaven Toolkit File.
.KITBattery Drum Kit (Native Instruments).
.KIXKiXtart Script.
.KIZKodak Digital Postcard File.
.KIZUUencoded File.
.KJVTheWord & Bible Companion King James Version Bible.
.KKTTTSKONE.
.KKWRoboHELP Keyword Help Project Index File.
.KLBGraphicWorks Album.
.KLBKlemmbretter.
.KLDDungeon Keeper 2 Playable Map (Electronic Arts, Inc.)
.KLIKalKulator Linear Algebra File.
.KLIPKlipFolio Klip.
.KLNCOLOGNE Multilingual Transliteration Scheme.
.KMBMC Software Patrol File.
.KMAKodak Memory Album.
.KMDABSTAT for Windows Batch File (AndersonBell Corp).
.KMDAIMAX Keyboard Macro (TA Engineering).
.KMDClicker Module Output.
.KMDMedia Desktop File (Kaaza).
.KMDModel Browser File (Metis).
.KMLEmu48 Emulator File.
.KMLHP48 Emulator Win48 Script.
.KMLKedit Macro Library.
.KMNSIL Hebrew Font System Keyboard.
.KMPKorg Trinity KeyMaP File.
.KMSModel Browser Shortcut (Metis).
.KMVModel Browser File (Metis).
.KM_Seqmax Seqprest Compressed Audio File.
.KNFPersonal Knowbase Custom Import Filter (Bitsmith Software).
.KNFUniversal Flat Knitting Machine Pattern Design.
.KNFOrchida Knitting System (Orchida Soft).
.KNNClarion for Windows Database Key (SoftVelocity).
.KNOPersonal Knowbase Data (Bitsmith Software).
.KNWKnown Problems.
.KOIBM/Tools/Updater File.
.KOAKoala Paint C64 Bitmap.
.KODCode.
.KOETurbo Pascal DOS File (Borland).
.KOKDEL MP3 Karaoke.
.KONKonfabulator Widget Code (Konfabulator).
.KORKorean Text File.
.KORCorrection File.
.KOSMicroType Pro Document.
.KOSIMAKosima File.
.KPDKapital Database File (K Software).
.KPFKapere.
.KPGKai'S Power Goo Graphic.
.KPLKazaa Playlist.
.KPLKPL Source Code.
.KPPKudo Place Pack, Place Module.
.KPPSmartPad Toolpad.
.KPPKid Pix Deluxe Slide Show (Broderbund).
.KPRFifa World Cup Game Data Comon be File.
.KPRKPresenter Slide Show (KOffice Web Team).
.KPSIBM KIPS Bitmap.
.KPTKPresenter Template (KOffice Web Team).
.KPXKid Pix Deluxe Data File (Broderbund).
.KQLKyle's Quest Level Editor Graphic (Crimson Fire Entertainment).
.KQPKonica Quality Picture.
.KR1Kurzweil 2000 Sample.
.KRCMouse and Key Recorder Recorded File (Kra-Tronic Corporation).
.KRISKris Tracker Format Song.
.KRNNBA99 Ice Hockey Foreground Font.
.KRPHiCAD 3D Part File (ISD Benelux B.V.)
.KRXKaraoke MIDI File.
.KRYHerolab Krypten.
.KRZKurzweil 2000 Sample.
.KSWorks Sheet (Microsoft).
.KSSOF Game File Log.
.KSCKorg Trinity Script.
.KSEKeepsake Studio Export File.
.KSFKorg Trinity Sample.
.KSFKick it Up Stepfiles.
.KSHProdigy Internet Registration File.
.KSHUNIX Shell Script.
.KSHDazzle Dazzle Realization.
.KSHRCUNIX Kom Shell Environment File.
.KSLKaraoke Song List Creator Song List (Airwer).
.KSMKefrens-Sound Machine Format Song.
.KSMEmbroidery File Format for Pfaff Machines.
.KSMKen Silverman Music Format.
.KSSK-ForCE Scoresheet File (Stephan Rakonza).
.KSSKDE [UNIX/Linux Desktop] Screen Saver (KDE).
.KSTOlivetti Olitext Plus Script File.
.KTIKelvin TOP-SET Investigator Investigation Data (The Kelvin Consultants Limited).
.KTKKutoka's Mia.
.KTPClarion for Windows Temporary Key File (SoftVelocity).
.KTTKeyText Data File.
.KUKnowledge Explorer Knowledge Representation Knowledge Unit.
.KUMACPhysics Analysis Workstation Macro File.
.KUPKaraoke Song List Creator (Airwer).
.KVBKlick-N-View Business Cards.
.KVQSega Smash Pack PC Version File (Sega).
.KVTBASIC QuickBAS QuickB03 File.
.KW$NTgraph Visual C Wizzard File.
.KWBKeyWord Braille File (Pulse Data International Ltd).
.KWDKeyword.
.KWDKWord File.
.KWDDungeon Keeper 2 Playable Map (Electronic Arts, Inc.)
.KWFDelphi Pascal Chart.
.KWFKartex.
.KWINavigation System Data File (KIWI Format).
.KWSKyocera Ringtone.
.KXSKexis Lossless Compressed Audio.
.KYBKeyboard Layout.
.KYEKye Game Data.
.KYFVisual-Voice Mouth Movement File.
.KYSSourceOffSite Server Keys.
.KYSPhotoshop CS Keyboard Shortcut (Adobe).
.KZPKazoo3D or KazooStudio KazooPicture.
LDescription Back to the Top
.LGCProgram Use Log File (for Windows Program Use Optimization).
.LGOContains the code for displaying the screen logo.
.LOGContains the process of certain steps, such as when running scandisk it will usually keep a scandisk.log of what occurred.
.LNKWindows shortcut or a HTML link file used with Microsoft Internet Explorer.
.LWPLotus Wordpro 96/97 file.
MDescription Back to the Top
.MACMacintosh macpaint files.
.MBXMicrosoft Outlook Express mailbox file.
.MDCompressed Archive file.
.MDAMicrosoft Access Add-in / Microsoft Access 2 Workgroup.
.MDBMicrosoft Access Database / Microsoft Access Application.
.MDEMicrosoft Access Database File.
.MDFMenu definition file.
.MDLDigitrakker Music Module / Rational Rose/Quake model file.
.MDMTelix Modem Definition.
.MDNMicrosoft Access Blank Database Template.
.MDPMicrosoft Developer Studio Project.
.MDTMicrosoft Access Add-in Data.
.MDWMicrosoft Access Workgroup Information.
.MDXdBase IV Multiple Index.
.MDZMicrosoft Access Wizard Template.
.MEBWordPerfect Macro Editor bottom overflow file.
.MEDWordPerfect Macro Editor delete save / OctaMed tracker module.
.MEMWordPerfect Macro Editor macro / Memory File of variables.
.MIDMidi orchestra files that are used to play with midi sounds built within the sound card.
.MIXPower C object file / Multiplayer Picture file (Microsoft Photodraw 2000, Microsoft Picture It!) / Command & Conquer Movie/Sound file.
.MKVShort for Matroska, It is similar to a .OGM file and is open source cross-platform movie file.
.MODWinoldap files that support (with grabbers) data exchange between DOS apps and Windows apps.
.MOVFile used with Quick Time to display a move.
.MP1MPEG audio stream, layer I.
.MP2MPEG audio stream, layer II.
.MP3MPEG audio stream, layer III, High compressed audio files generally used to record audio tracks and store them in a decent sized file available for playback. See our MP3 page for additional information.
.MPPMicrosoft Project file.
.MPGMPEG movie file.
.MSNMicrosoft Network document / Decent mission file.
.MSPMicrosoft paint file format.
.MTFWindows metafile.
.MTHDerive Math file.
.MTMSound file / MultiTracker music module.
.MTVPicture file.
.MTWMinitab data file.
.MUQuattro menu.
.MULUltima Online game.
.MUPMusic publisher file.
.MUSAudio file.
.MVBDatabase file / Microsoft multimedia viewer file.
.MVEInterplay video file.
.MVFMovie stop frame file.
.MWPLotus Wordpro 97 smartmaster file.
.MXDArcInfo map file.
.MXTMicrosoft C Datafile.
.MYDMake your point presentation file.
NDescription Back to the Top
.N64Nintendo 64 Emulator ROM image.
.NA2Netscape Communicator address book.
.NABNovell Groupwise address book.
.NAPNapster Music security definition file.
.NDFNeoPlanet Browser file.
.NDXIndexed file for most databases.
.NESNintendo Entertainment system ROM image.
.NILNorton guide online documentation.
.NGFEnterasys Networks NetSight file.
.NHFNero HFS-CD compilation or  a general Nero file.
.NILNorton icon lybrary file.
.NLBOracle 7 data file.
.NLDATI Radeon video driver fil.
.NMISwordSearcher file.
.NONLucasArts Star Wars - Tie fighter mouse options file.
.NOWExtension commonly used for readme text files.
.NRANero Audio CD file.
.NRBNero CD-ROM boot file.
.NS2Lotus Notes 2 database.
.NS5Lotus Notes Domino file.
.NSONetStudio easy web graphics file.
.NTWindows NT startup file.
.NUMFile used with some Software Manufactures to store technical support numbers or other phone numbers, should be readable from DOS and or Windows.
ODescription Back to the Top
.OCAControl Typelib Cache.
.OCXObject Linking and Embedding (OLE) control extension.
.OGMA Ogg Media File, OGM files are movie files.
.OLBObject library.
.OLDUsed for backups of important files incase they are improperly updated or deleted.
.OLEObject Linking and Embedding object file.
.OLIOlivetti text file.
.ORIOriginal file.
PDescription Back to the Top
.PABPersonal Address Book, file used with Microsoft Outlook.
.PBWinFax Pro phone book file.
.PBDPowerBuilder dynamic library / Faxit phone book file.
.PBFTurtle Beach Pinnacle bank file.
.PBKMicrosoft phonebook file.
.PBLPowerBuilder library file.
.PBMUNIX portable bitmap fuke.
.PBRPowerBuilder resource.
.PBIProfiler binary input file.
.PBMPBM portable bit map graphic.
.PBOProfiler binary output.
.PBTProfiler binary table.
.PCXMicrosoft Paint, PC Paintbrush Windows/DOS.
.PDABitmap graphic file.
.PDBTACT data file.
.PDDAdobe PhotoDeluxe Image.
.PDFAdobe Acrobat Reader file.
.PDLBorland C++ project description language file.
.PDSGraphic file / Pldasm source code file.
.PDVPaintbrush printer driver.
.PDWProfessional Draw document.
.PICPicture / Viewer Frame Class.
.PIFProgram Information File that configures a DOS app to run efficiently in windows.
.PJFPaintjet soft font file.
.PKGApple Newton File, MicroSim PCBoard External ASCII file, Microsoft Developer Studio Application File,  Next installer script.
.PLHarvard palette file or PERL program file.
.PL3Harvard chart palette.
.PLBFoxpro library / LogoShow Screensaver file.
.PLCLotus Add-in.
.PLDPLD2 source file.
.PLGREND386 / AVRIL file.
.PLIOracle 7 data description.
.PLLPrelinked library.
.PLMDisorderTracker2 module.
.PLNWordPerfect spreadsheet file.
.PLRDescent Pilot file.
.PLSWinAmp MPEG playlist file / DisorderTracker 2 Sample file / Shoutcast file / MYOB data file.
.PLTAutoCAD HPGL vector graphic plotter file / Gerber sign-making software file / Betley's CAD Microstation driver configuration for plotting.
.PLYAutodesk polygon.
.PPCompressed archive file.
.PP4Picture Publisher.
.PP5Picture Publisher.
.PPAPower Point Add-in.
.PPBWordPerfect Print preview button bar.
.PPDPostScript Printer description.
.PPFTurtle Beach Pinnacle program file.
.PPIMicrosoft PowerPoint graphic file.
.PPLHarvard (now Serif) Polaroid Palette Plus ColorKey Driver.
.PPMPBM Portable Pixelmap Graphic.
.PPOClipper Preprocessor Output.
.PPPSerif PagePlus Publication.
.PPSMicrosoft PowerPoint Slideshow.
.PPTMicrosoft PowerPoint presentation.
.PPXSerif PagePlus publication.
.PPZMicrosoft PowerPoint Packaged Presentation.
.PS2File to support the Micro Channel Architecture in 386 Enhanced mode.
.PSDAdobe Photoshop image file.
.PSTPost Office Box file used with Microsoft Outlook usually mailbox.pst unless named otherwise.
.PWAPassword agent file.
.PWDPassword file.
.PWFProCite Workforms.
.PWLPassword file used in Windows 95 and Windows 98 is stored in the Windows directory.
.PWPPhotoworks image file.
.PWZPowerPoint wizard.
.PXParadox primary database index file.
.PXLPocket Excel worksheet file.
.PYPython script file.
.PYCCompiled Python script file.
.PYDPython binary extension for Windows.
.PYWPython GUI script for Windows.
.PZ2Curious Labs Poser pose file.
.PZ3Curious Labs Poser document.
.PZAMGI PhotoSuite album file.
.PZDPizazz Plus default settings file.
.PZLPuzzle file or Load Runner game puzzle file.
.PZOPizazz Plus overlay file.
.PZPMGI PhotoSuite project file.
.PZSPizazz Plus settings file.
.PZTPizazz Plus transfer file.
.PZXPizazz Plus swap file.
QDescription Back to the Top
.QICWindows backup file.
.QTQuick Time Movie File.
.QXDQuark Express file.
.QXLQuark Xpress element library.
.QXTQuark Xpress template file.
RDescription Back to the Top
.RAReal Audio file.
.RAMReal Audio file.
.RARCompressed file similar to .ZIP uses different compression program to extract. See our recommended download page for a program that can be used to extract .RAR files.
.RASFile extension used for raster graphic files.
.RD1Descent registered level file.
.RD3Ray Dream designer graphics file / CorelDraw 3Dfile.
.RD4Ray Dream designer graphics file.
.RD5Ray Dream designer graphics file.
.RDBTrueVector rules database.
.RDFResource description framework file / Chromeleon report definition.
.RDLDescent registered level file / RadioDestiny radio stream.
.RDXReflex data file.
.RECSound file used with Windows Sound Recorder.
.RLERun Length Encoded file. See RLE definition for additional information.
.RMIMicrosoft RMID sound file.
.RPBAutomotive diagnostic file.
.RPDRapidfile database.
.RPMRed Hat Package Manager / RealMedia Player file.
.RPTVarious Report file.
.RTFRich Text Format file. See our RTF dictionary definition for additional information.
.RWZMicrosoft Outlook rules wizard file.
SDescription Back to the Top
.SAVFile that usually contains saved information such as a saved game.
.SC2Maps used in Sim City 2000.
.SCPDialup Networking script file.
.SCRSource files for the .INI files, or sometimes may be used as screen savers.
.SDSound Designer I audio file.
.SD2Sound Designer II flattened file / Sound Designer II data fork file / SAS database file.
.SDAStarOffice drawing file / SoftCuisine data archive.
.SDCStarOffice spreadsheet.
.SDDStarOffice presentation.
.SDFStandard data format file / Schedule data file / System file format / Autodesk mapguide spatial data file.
.SDKRoland S-series floppy disk image.
.SDLSmartDraw library.
.SDNSmall archive.
.SDRSmartDraw drawing.
.SDSStarOffice chart file / Raw MIDI sample dump standard file.
.SDTSmartDraw template.
.SDVSemicolon divided value file.
.SDWSun Microsystems StarOffice file document file similar to the Microsoft Office .DOC file.
.SDXMIDI sample dump standard files compacted by SDX.
.SEAShort for Self Extracting Archive. Compressed file used with the Macintosh.
.SHArchive file.
.SH3Harvard (now Serif) presentation file.
.SHBCorel Background file.
.SHGHotspot Editor Hypergraphic.
.SHKApple Macintosh Compressed Archive file.
.SHMWordPerfect Shell Macro.
.SHP3D Studio Shapes File / other 3D related file.
.SHRArchive file.
.SHSShell scrap object file.
.SHTMLSee our SHTML definition page.
.SHWCorel presentation / WordPerfect Slide Show / Show File.
.SLKMultiplan file. / Microsoft Excel symbolic link.
.SNDSound Clip file / Raw unsigned PCM data / AKAI MPC-series sample / NeXT sound / Macintosh sound resource file.
.SNGMIDI song.
.SNMNetscape Mail.
.SNOSNOBOL program file.
.SNPSnapview snapshot file.
.SUMSummary file.
.SWFMacromedia Flash file.
.SWPExtension used for the Windows Swap File usually Win386.Swp. This file is required by Windows and generally can grow very large in size sometimes up to several hundred megs. This file is used to swap information between currently running programs and or memory. If this file is deleted from the computer Windows will be unable to load and will need to be reinstalled.
.SYSSystem and peripheral drivers.
TDescription Back to the Top
.TDFTrace Definition File used with OS/2.
.TGATarga file.
.TIFTag Image Format that includes most 24-bit color.
.TLBRemote automation truelib files / OLE type library / Visual C++ type library.
.TLDTellix file.
.TLENASA two-line element set.
.TLPMicrosoft project timeline fie.
.TLTTrellix web design file.
.TLXTrellix data file.
.TMPTemporary files.
.TRMWindows Terminal.
.TXTText file that can be read from windows of from DOS by using the Edit, Type, or Edlin.
UDescription Back to the Top
.UNIMikMod (UniMod) format file / Forcast Pro data file.
.UNKUnknown file type, sometimes used when a file is received that cannot be identified.
.UNXText file generally associated with UNIX.
.URLFile used with some browsers such as Internet Explorer linking you to different web pages. Internet Shortcut.
VDescription Back to the Top
.VBVBScript file.
.VBAvBase file.
.VBDActiveX file.
.VBEVBScript encoded script file.
.VBGVisual Basic group project file.
.VBKVisualCADD backup file.
.VBLUser license control file.
.VBPVisual Basic project file.
.VBRRemote automation registration files.
.VBSMicrosoft Visual Basic Script file for quick programs and in some cases can be used as a virus file.
.VBWVisual Basic project workplace.
.VBXVisual Basic extension file.
.VBZWizard launch file.
.VCVisiCalc Spreadsheet file.
.VCDVisualCADD Drawing file.
.VCENatural MicroSystems voice file.
.VCFvCard File / Vevi Configuration file.
.VCSMicrosoft Outlook vCalander file.
.VCTFoxPro class library.
.VCWMicrosoft Visual C++ workbench information file.
.VCXFoxPro class library.
.VDATarga bitmap.
.VDDShort for Virtual Device Driver. Additional information can be found here.
.VDOVDOScript file.
.VDXNo such file extension - Likely you meant to .vxd.
.VMVirtual Machine / Virtual Memory file.
.VMMVirtual Machine (Memory Manager) file.
.VMFVentura font characteristics file / FaxWorks audio file.
.VS2Roland-Bass transfer file.
.VSDVisio drawing.
.VSLGetRight download list file.
.VSSVisio stencil.
.VSTVideo Template / Truevision Vista graphic / Targa Bitmap.
.VSWVisio workspace file.
.VXDWindows system driver file allowing a driver direct access to the Windows Kernel, allowing for low level access to hardware.
WDescription Back to the Top
.WABMicrosoft Outlook Express personal address book.
.WADFile first found in IdSoftware games such as DOOM, Quake, as well as most new games similar to these.
.WAVSound files in Windows open and played with sound recorder.
.WB1Quattro Pro Notebook.
.WB2Quattro Pro Spreadsheet.
.WBFMicrosoft Windows Batch File.
.WBKWordperfect document / workbook.
.WBTWinbatch batch file.
.WCDWordperfect macro token list.
.WCMMicrosoft Works data transmission file / Wordperfect Macro.
.WCPWordperfect product information description.
.WDBMicrosoft Works database.
.WEBWeb source code file.
.WFMdBASE Form object.
.WFNCorelDRAW font.
.WFXWinfax data file.
.WG1Lotus 1-2-3 worksheet.
.WG2Lotus 1-2-3 for OS/2 worksheet.
.WIDVentura publisher width table.
.WINFoxpro - dBASE window file.
.WIZMicrosoft Publisher page wizard.
.WK1Lotus 1-2-3 all versions / Lotus Works spreadsheet.
.WK3Lotus 1-2-3 for Windows / Lotus 1-2-3 Rel.3.
.WKSLotus 1-2-3 Rel lA,2.0,2.01, also file used with Microsoft Works.
.WLGDr. Watson log file.
.WMAWindows Media Audio file.
.WMFWindows Metafile. Also see WMF dictionary definition.
.WMZWindows Media Player theme package file.
.WPDWordPerfect Windows/DOS.
.WPGWordPerfect Graphical files Windows/DOS.
.WPMWordPerfect Macro file.
.WPSMS Works word processor Windows/DOS.
.WRIWindows Write.
.WRKLotus 1-2 31.0,1.01,1.1/ Symphony 1,1.01.
.WRISymphony l.1,1.2,2 / Microsoft Write file.
XDescription Back to the Top
.XIFWang image file / Xerox image file.
.XLBMicrosoft Excel File.
.XLSMicrosoft Excel File.
.XMSound file / Fast tracker 2 extended module.
.XMLExtensible markup language file.
.XNKExchange shortcut.
.XOTXnetech job output file.
.XPMX picsmap graphic.
.XQTSuperCalc macro sheet.
.XRFCross Reference.
.XR1Epic MegaGames Xargon File.
.XSLXML Style sheet.
.XSMLEXIS-NEXIS tracker.
.XTBLocoScript external translation table.
.XWDX Windows dump file.
.XWFYamaha XG Works file.
.XXEXxencoded file.
.XYXYWrite text file.
.XY3XYWrite text file.
.XY4XYwrite IV document.
.XYPXYwrite III plus document.
.XYWXYwrite Windows 4.0 document.
YDescription Back to the Top
.YAmiga YABBA compressed file archive.
.Y01Paradox index file.
.Y02Paradox index file.
.Y03Paradox index file.
.Y04Paradox index file.
.Y05Paradox index file.
.Y06Paradox index file.
.Y07Paradox index file.
.Y08Paradox index file.
.Y09Paradox index file.
.YUVYuv graphics file.
.YZYAC compressed file archive.
ZDescription Back to the Top
.ZCompressed file that can hold thousands of files. To extract all the files Pkzip or Winzip will need to be used.UNIX / Linux users use the compress / uncompress command to extract these files.
.ZOOA compressed file.
.ZIPCompressed file that can hold thousands of files. To extract all the files Pkzip or Winzip will need to be used.
.ZKAQuicken6 File.
.ZLEasy CD Creator Drag to Disk File (Roxio).
.ZOMAmiga Compressed Archive (Amiga).
.ZSHUnix zsh Shell Script.
.ZSKEmbroidery Machine Stitch File.
.ZZEASCII Encoded File Archive.


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