file extension Windows/OS2/Apple/Unix/Dos

File ExtensionsWindows/OS2/Apple/UNIX

Select Extension by starting letter:

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 -
OTHER - Allowedchars in file names - what is an extension?
Links Converter
graphical file formats - Potentially harmful extensions contributors

internals

Bookmark this site

Search: Use ctrl-F to search foritem

Universal dump utility for non-destructive dump/list/string search etc
dump.zip


G = Ashton Tate Applause Chart
G = Gaussian Z-matrix chemical modeller output file
G = Mime: text/plain
G = Paradox file
G08 = wisosparbuch2008file open with: "%ProgramFiles%\WISO\Sparbuch 2008\wiso2008.exe" "%1"
G09 = wisosparbuch2009file open with: "%Applications%\WisoSpar2009\wiso2009.exe" "%1"
G16 = GoldED / DOS compiled config
G3 = G3 fax file
G3 = Mime: image/g3fax
G32 = GFA BASIC 32 Program File
G3F = Zetafax TIFF File (fine resolution)
G3N = Imaging Fax image format
G4 = Access image format
G721 = Raw CCITT G.721 1bit ADPCM data : Sound data
G723 = Raw CCITT G.723 3 or 5bit ADPCM data : Sound data
G726 = Raw CCITT/ITU G.726 2, 3, 4 or 5bit ADPCM data : Sound data
G7XX = PCM, U-law, A-law, G7xx ADPCM sound files
G8 = Cubicomp PictureMaker (green channel image data :24bit 3D animation)
G8 = PicLab raw graphics (one byte pp)
G94 = Gaussian 94 Output chemical modeller input file
GAC = Global Audio Control Skin
GAC = Mime: application/vnd.groove-account
GAD = Golden Arrow. See www.cranachan-software.com
GADGET = Windows.gadget open with: %ProgramFiles%\Windows Sidebar\Sidebar.exe
GAF = Total Annihilation image format
GAK = Win32 Shellext file
GAL = Clipart; Corel Gallery (thumbnails)
GAL = Hewlett-Packard Graphics Galery
GAM = Fax (GammaFax)
GAMIN = Gamess Input chemical modeller output file
GAMOUT = GAMESS Output chemical modeller input file
GAP = PhotoImpact Pencil Style
GARMIN = The Garmin Hacking Project
GAT = Gator File
GAU = Game: Ms flight Panels Gauges file
GAU = Mime: chemical/x-gaussian-input
GAUOUT = Gaussian 92 Output chemical modeller input file
GB = Chinese text
GB = Gameboy game
GB = Printfox/Pagefox image format
GB$ = Basic Vb Beispiel Kartei file
GBA = GrabIt Batch Files
GBC = Color emulator ROM image file (Nintendo GameBoy)
GBF = General Bible Format Tagging Specification
GBHS = GBelectronics Help File open with: %ProgramFiles%\Common Files\GBelectronics Shared\GBelectronics Help System\GBHS.exe "%1"
GBK = Delphi Runimage Iblocal Examples file
GBL = VAXTPU editor GlobaL definitions
GBL = Visual Basic Global Definition
gbly = (MAC FILE_TYPE) System Enabler
GBOOK = The Guest Book Egbook file
GBR = Gimp BRush
GBT = Photoshop File
GC1 = Golden Common Lisp 1.1 source code file
GC3 = Golden Common Lisp 3.1 source code file
GCART = Gaussian Cartesian chemical modeller output file
GCB = Chord Buster Sequences file
GCC = Gnu C++ file
GCCV = (MAC FILE_TYPE) PageMaker Filter
GCD = Generic CAD Drawing format (vector)
GCG = gcgfile open with: %Root%\Redding Sound\Guitar Chord Legend\GuitarChordLegend.exe "%1"
GCI = GTA2 Game File
GCP = Ground Control Point file
GCSX = GCSXFile special configuration file for application(binary format)
GDB = Formula 1 car race 2001 Season01 file
GDB = Mime: x-lml/x-gdb
GDF = Bitmap IBM Graphics Data Format
GDF = GEOS Dictionary File
GDFMAKERPROJECT = GDFMaker.GDFMakerProject.File open with: "%Root%\directx\directx10\Microsoft DirectX SDK (November 2008)\Utilities\Bin\x86\GDFMaker.exe" "%1"
GDFMAKERPROJECT = GDFMaker.GDFMakerProject.File open with: "f:\directx\directx10\Microsoft DirectX SDK (November 2008)\Utilities\Bin\x86\GDFMaker.exe" "%1"
GDI = GEM Metafile Image
GDL = ArchiCAD Geometric Description Language data file
GDL = Mime: model/vnd.gdl
GDL = Mime: model/vnd.gs.gdl
GDM = Bwsb120b Demo file
GDS = McDonnell-Douglas Things
GDSII = VLSI cad layout format (for integrated circuits)
GDSP = (MAC FILE_TYPE) Astound
GE = Gecho config file
GE2 = 3d model: Maya 4 GE2 exporter (faces,vertices,TRI-tesselation etc)
GEA = Fifa World Cup game data fe art Legalscr file
GEB = Dr hardware file
GED = EnerGraphics graphics editor file
GED = GoldED / DOS compiled config file
GED = Graphic Environment Document (Arts & Letters)
GED = Micrografx Simply 3D Geometry
GED = Wicat image
GEDCOM = GEnealogical Data COMmunication standard
GEF = Graphics Exchange Format
GEM = GEM Picture; Gem Meta-file (vector)
GEM = Ventura Publisher vector image
GEN = Compiled template (dBASE Application Generator)
GEN = Ventura Publisher GENerated text file
GENERICTEST = VisualStudio.generictest.9.0 open with: "%ProgramFiles%\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe" /dde Content Type application/xml
GENERICTEST = VisualStudio.generictest.9.0 open with: "C:\Programme\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe" /dde Content Type application/xml
GEO = GeoPaint image format
GEO = Geoworks Geode (GEOS executable)
GEO = GoldED / OS/2 compiled config file
GEO = VideoScape 3D object
GEOM = AVS (Application Visualization System) Used by the AVS commercial high-end visualization environment.
GER = German text/html info file
GERBER = Printed circuit board photoplotter files
GET = Povwin Pov-ray for Windows v3.1 file
GetRight = GetRight Unfinished-Download file
GEX = GEcho config file
GF = MetaFont font file
GFA = Basic Gfa Gfados file
GFB = Bitmap picture; GifBlast variation of GIF
GFC = Patton&Patton Flowcharting 4 flowchart file
GFE = GU.Encrypted open with: %ProgramFiles%\Glary Utilities\fileencrypt.exe -d %1
GFI = Genigraphics Graphics Link presentation
GFM = CGM picture; Ashton Tate Applause
GFM = Computer Graphics Meta-file
GFO = SGI Radiosity
GFS = GrooveStub ContentType application/vnd.groove-stub
GFS = GrooveStub special configuration file for application(binary format) ContentType application/vnd.groove-stub
GFS = GU.Splitted open with: %ProgramFiles%\Glary Utilities\filesplitter.exe -j %1
GFT = Font file (GEM/NeoPaint)
GFW = Basic Gfa file
GFX = Genigraphics Graphics Link presentation
GFX = Instant Artist image
GG = Koala Paint Compressed image format
GGS = Audio file
GHI = an INI file for NCSA Mosaic
GHO = Norton Ghostback file
GHS = Ghostback file
GHS = Tarshare file
GI = Audio Utility Tuningwrench compressed file
GIB = Chart (Graph-in-the-Box)
GID = General InDex of a Win 95 help file
GIF = CompuServe bitmap image (Graphics Interchange Format),widely used Internet Format
GIF = Mime: image/gif
GIF2 = Netobjects fusion Styles Lines file
GIF87 = Gif(87) file
GIF89A = Gif 89a image file
GIF_ = (MAC FILE_TYPE) GIF Image Filter Databgif
GIFf = (MAC FILE TYPE) GIF files created by PageMill
GIFf = (MAC FILE TYPE) GIF files created by PageMill (PC ext: GIF)
GIFf = (MAC FILE_TYPE) GIF Image Filter Databgif
GIFF = CompuServe bitmap image (Graphics Interchange Format)
GIG = Gigasampler file
GIH = TheGIMP20 open with: "%ProgramFiles%\GIMP-2.0\bin\gimp-win-remote.exe" gimp-2.2.exe "%1"
GIM = Genigraphics Graphics Link presentation
GIM = Mime: application/vnd.groove-identity-message
GIO = Nyquist V2.10 Test file
GIS = Erdas gray-scale bitmap image
GIW = Presentation (Graph-in-the-Box for Windows)
GIX = Genigraphics Graphics Link presentation
GKH = Ensoniq disk image (sound) (VFX SD EPS ASR TS)
GKON = (MAC FILE_TYPE) GraphicConverter
GKS = Graphics Kernel System
GKS = Gravis GripKey document
GL = Animation (GRASP - GRAphical System for Presentation format)
GL = GALink script
GL = Mime: video/gl
GL = Mime: video/x-gl
GL3 = Green line file
GLB = GLoBal module in Basic program
GLC = 3d Graphic
GLF = 3d font used by glf
GLF = Golf Save file
GLK = GrooveLinkFile open with: %ProgramFiles%\MICROS~3\Office12\GROOVE.EXE /grv: "%1" ContentType application/vnd.groove-link
GLM = Glim datafile
GLO = Auxiliary for glossary (LaTeX)
GLO = GLObal module in Basic program
GLOS = (MAC FILE TYPE) MS-Word glossary
GLOS = (MAC FILE_TYPE) Word Glossary
GLOX = GLOXFile special configuration file for application(binary format)
GLS = Across datafile
GLUT = Opengl Glut-3.6 file
GLUT2 = Opengl Glut-3.6 file
GLUT3 = Opengl Glut-3.6 file
GLV = 2d Graphic
GLY = Glossary (MS Word for DOS)
GM = Bitmap image (Autologic files)
GM2 = Bitmap image (mode 2 black/white) (Autologic files)
GM4 = Bitmap image (mode 4 gray-scale) (Autologic files)
GMC = Game Music Creator format
GMF = APPLAUSE CGM image
GMF = CGM Graphics metafile
GML = Graphlet File Format
GMMP = gmmpfile special configuration file for application(binary format)
GMP = Geomorph tile map (SPX)
GMR = Schlafhorst Automation Graphical Monitor Record
GMS = Corel Graphics10 Draw file
GNA = Genigraphics Graphics Link presentation
GNO = Genopro Genealogy Document File
GNT = Generated code (Micro Focus COBOL/2)
GNU = gzip compressed file
GNU = Gnu licence file (readme.gnu)
GNX = Genigraphics Graphics Link presentation
GO = CompuServe "application/x-gocserve"
GO = GraphOn bitmap image
GO1 = Wingames Go file
GOA = Spicecad file
GOB = Dark Forces Data
GOBJ = Geoworks object code (non-error-checking version)
GOC = Geoworks GOC language source code file
GOCA = Graphics Object Content Architectuire
GOE = Satellite image data (GOES file) (McIDAS system)
GOES = Satellite image data (GOES file) (McIDAS system)
GOH = Geoworks Goc language header file
GOO = Picture; Kai's Power Goo morphing program--still or multiple-frames
GooK = (MAC FILE_TYPE) Power Go
GOTMP = Gaussian Z-matrix tmplt chemical modeller output file
GOULD = Bitmap image (Gould scanner file)
GP = Geoworks Geode parameter file
GP = Gofer project (Haskell language dialect)
GP3 = GuitarPro 3
GP4 = GTX Group IV format /CALS picture
GPD = WINXP SYSTEM32 SPOOL DRIVER file
GPF = ?? Japanese graphic file ?? Any feedback from Japon ???
GPG = GNU Privacy Guard
GPH = Freelance Graphics for OS/2
GPH = Graph (Lotus 1-2-3/G)
GPH = Mime: application/vnd.FloGraphIt
GPI = Bitware Fax file
GPK = Compressed Omnigo file archive (Geos package)
GPL = DeLorme Map'n'Go GPS logs in GPL format
GPL = Street Atlas logs in GPL format
GPL = gen. gnuplot plotter file
GPL = Gnu Public Licensee (readme.gpl)
GPLT = Gnuplot plot file
GPP = Serif GraphicsPlus Object
GPRMC = APRS GPS Mobile RMC sentence
GPS = Mime: application/x-gps
GPX = GPS eXchange Format for navigation data such as routes, trails and waypoints.
GPZ = Msdev Common Ide Utility Projects file
GQ = Epson's page description language (printer)
GQF = Mime: application/vnd.grafeq
GQS = Mime: application/vnd.grafeq
GQSX = GQSXFile special configuration file for application(binary format)
GR2 = Win 3.x screen driver
GR3 = Device Driver
GR3 = Windows 3.0 screen grabber
GR96A = GROMOS96 (A) chemical modeller input file
GR96N = GROMOS96 (nm) chemical modeller input file
GRA = graphics document
GRA = Microsoft Graph Chart
GRA = SigmaPlot datafile
GRA_ = (MAC FILE_TYPE) MS Graph Setting File
GRADS = Metafile
GRAF = Digital F/X image format
GRAPH = Amaya file
GRASP = Animation (GRAphical System for Presentation format)
GRAY = Bitmap image (raw gray bytes)
GRB = Bitmap image B&W binary (GROB Graphic Object) (HP-48sx calculator)
GRB = Ms-DOS Shell Monitor file
GRD = Adobe Photoshop gradient file
GRD = Drivers for GRX (graphics library)
GRD = Grid file
GRDEF = Geoworks UI resource file
GRE = Webalizer.01 Lang file
GREY = Raw image format
GRF = Graph file (Graph Plus/Charisma)
GRF = Micrografx Drawing (old)
GRF = Stanford image
GRH = Quickbasic image file (game)
GRIB = Gridded Binary (FM 92-VIII Ext. GRIdded Binary file) (WMO CBS)
GRM = Minos file
GRN = Drivers for GRX (graphics library)
GRO = HP-48/49 Grob image format
GROUP = group_wab_auto_file open with: "%ProgramFiles%\Windows Mail\wab.exe" /Group "%1" Content Type text/x-ms-group
GRP = PixBase pictures GRouP
GRP = Windows Program Group; shortcuts to programs created by Applications Manager; also PAC, DPK, DPG
GRV = Cakewalk file
GRV = Mime: application/vnd.groove-injector
GRX = GetRight File List
GRY = Image (Raw GREY)
GR~ = DOS7 file
GS = Gofer script (Haskell language dialect)
GS1 = GraphShow presentation
GSA = GrooveSpaceArchive open with: %ProgramFiles%\MICROS~3\Office12\GROOVE.EXE /grv: "%1" ContentType application/vnd.groove-space-archive
GSD = GSM internet realtime audio
GSD = Mime: audio/x-gsm
GSD = Professional Draw vector image
GSF = Golf Seasons file
GSM = Mime: audio/x-gsm
GSM = Mime: model/vnd.gdl
GSM = Mime: model/vnd.gs.gdl
GSM = Sound (GSM 6.10 prI-ETS 300 036 13kbit/s) (Internet phones)
GSM = sound file
GSM_ = (MAC FILE_TYPE) GSM Audio File
GSP = Geometer's Sketchpad Material File
GSP = Mime: application/x-gsp
GSS = Geometer's Sketchpad script
GSS = Mime: application/x-gss
GST = Game: need for speed file
GSTAT = CSD GSTAT chemical modeller input file
gsVR = (MAC FILE_TYPE) GhostScrip
GSW = GraphShow worksheet
GT2 = Graoumftracker (new) music module (MOD) file
GTA = GrooveToolArchive open with: %ProgramFiles%\MICROS~3\Office12\GROOVE.EXE /grv: "%1" ContentType application/vnd.groove-tool-archive
GTAR = GNU tar compressed file archive
GTAR = Mime: application/x-gtar
GTF = Pga Golf bin file
GTK = Graoumftracker (old) music module (MOD) file
GTM = Mime: application/vnd.froove-tool-message
GTM = Mime: application/vnd.groove-tool-message
GTO = Quicken intuit(old) de online file
GTP = Atari ST
GTP = Mime: application/bsi-gtp
GTS = GTS Tracker Modules
GTW = Mime: model/vnd.gtw
GTX = Raster graphics (GTX Group IV)
GTX = seamless textures by Genetica (Spiral Graphics) http://www.spiralgraphics.biz/genetica.htm
GTY = Gibson Tray File
GUESS = cygnus dejagnu file
GUI = Guide Document
GUP = PopMail data
GV = GrandView outline
GVI = AVSVIDEO open with: "%Applications%\AVSMediaPlayer\AVSMediaPlayer.exe" "%L"
GWM = Epson creativ studio 30 example file
GWP = Greetings WorkShop File (is now MS Picture It!)
GWX = Genigraphics Graphics Link presentation
GWZ = Genigraphics Graphics Link presentation
GX0 = Image Story Board
GX1 = Show Partner Screen Capture File
GX2 = Image Story Board
GXA = Attribute Data General CADD Pro General CADD Products, Inc www.generalcadd.com
GXC = Component data General CADD Pro General CADD Products, Inc www.generalcadd.com
GXD = drawing file General CADD Pro General CADD Products, Inc www.generalcadd.com
GXF = Font data General CADD Pro General CADD Products, Inc www.generalcadd.com
GXL = Genus graphics library
GXM = General CADD Pro General CADD Products, Inc www.generalcadd.com
GXT = GTA2 Game File
GYM = Geoworks generic symbol file
GZ = GZIP File (Archive for Unix, just compression)
GZ = Mime: application/x-compressed
GZ = Mime: application/x-gzip
GZF = Webcopier file
GZIP = Mime: application/x-gzip
GZIP = Mime: multipart/x-gzip
Gzip = (MAC FILE_TYPE) Gnu Zip Archiveg Filebggz
GZIP = GZIP File (Archive for Unix, just compression)
GZL = Go!Zilla filelist
GZMAT = Gaussian Z-Matrix chemical modeller input file
GZP = Gazelle System Page

Search: Use ctrl-F to search for item

Universal dump-utility for non-destructive dump/list/search string etc
dump.zip


Select Extension by starting letter:

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 - OTHER - Allowed chars in Filenames - what is an extension?

 

If you find an extension missing, write! No guarantee given for completeness or correctness. If you feel an extension is outdated, write!
Authors and retailers: it is in the interest of us all and our customers to avoid the double use of extensions! Please help us keep this compilation up todate!
Send extension data to: update@file-ext.4uj.org
Any questions for not listed extensions or "what program opens xxx": search@file-ext.4uj.org
Any other questions, remarks, praise, flaming or reproach: info@file-ext.4uj.org
Compilation Copyright (c) 2002 R.Bitsch, Compilation Copyright (c) 2009,2010 R.Cooper-Bitsch