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# Extensions du fichier Développeur
0 .G - Corel Paradox Format Corel
1 .G00 - Clannad Picture Image Key
2 .G01 - HEC-RAS Geometry Format U.S. Army Corps of Engineers
3 .G03 - HEC-RAS Geometry U.S. Army Corps of Engineers
4 .G1 - Gerber Inner Routing Layer 1 N/A
5 .G10 - Garmin GPS Map Garmin Ltd.
6 .G12 - CAMtastic Mid Layer 12 Gerber Data N/A
7 .G13 - CAMtastic Mid Layer 13 Gerber Data N/A
8 .G14 - CAMtastic Mid Layer 14 Gerber Data N/A
9 .G15 - CAMtastic Mid Layer 15 Gerber Data N/A
10 .G2 - Gerber Inner Routing Layer 2 N/A
11 .G3 - G3 Fax Format CCITT
12 .G3A - Casio Prizm Program Format Casio
13 .G3D - GOM ATOS 3D Scan Format GOM
14 .G3F - Zetafax Fax Equisys
15 .G3N - Imaging Fax Image N/A
16 .G3P - Casio Prizm Picture Image Casio
17 .G3X - RealFlight Content Format Knife Edge Software
18 .G4 - GTX RasterCAD GTX Europe Ltd.
19 .G41 - Commodore 1541 Disk Image N/A
20 .G4B - Sokoban++ Level N/A
21 .G5 - CAMtastic Mid Layer Gerber Data N/A
22 .G64 - C64 Emulator Disk Image N/A
23 .G721 - Raw CCITT/ITU G.721 4-bit ADPCM Sound Format N/A
24 .G723 - Raw CCITT/ITU G.723 ADPCM Sound Format N/A
25 .G723-3 - Raw CCITT/ITU G.723 3-bit ADPCM Sound N/A
26 .G723-5 - Raw CCITT/ITU G.723 5-bit ADPCM Sound N/A
27 .G726 - Raw CCITT/ITU G.726 ADPCM Sound Data Format N/A
28 .G726-2 - G726-2 - Raw CCITT/ITU G.726 2-bit ADPCM Sound N/A
29 .G726-3 - G726-3 - Raw CCITT/ITU G.726 3-bit ADPCM Sound Format N/A
30 .G726-4 - G726-4 - Raw CCITT/ITU G.726 4-bit ADPCM Sound Format N/A
31 .G726-5 - G726-5 - Raw CCITT/ITU G.726 5-bit ADPCM Sound N/A
32 .GA3 - Graphical Analysis Document Vernier Software & Technology
33 .GAB - Dencom Global Address Book Export Dencom
34 .GAC - Groove Microsoft Corporation
35 .GAD - Geodict Math2Market GmbH
36 .GADGEPRJ - Gadge It Project Format Ashampoo
37 .GADGET - Windows Sidebar Gadget Format Microsoft
38 .GAF - Total Annihilation Animated Bitmap Format Cavedog Entertainment
39 .GAI - Adobe SING Glyphlet Manager Adobe Systems Incorporated
40 .GAL - GenePix Array List Format Molecular Devices
41 .GALAXY - Blizzard Starcraft 2 Galaxy Script Format Blizzard Entertainment
42 .GALLERY - SMART Notebook Gallery Format SMART Technologies
43 .GALLERYCOLLECTION - SMART Notebook Gallery Collection Format SMART Technologies
44 .GALLERYITEM - SMART Notebook Gallery Item Format SMART Technologies
45 .GAM - Game Format N/A
46 .GAMBAS - Gambas Application SourceForge.net
47 .GAME - Command & Conquer Red Alert 3 Format GameSalad
48 .GAMEDATA - Sandlot Game Data Format Sandlot Games
49 .GAMEPROJ - GameSalad Game Project Format GameSalad
50 .GAN - GanttProject Project Plan Format GanttProject
51 .GAP - PhotoImpact Pencil Style Ulead Systems
52 .GAR - GridGain Archive GridGain Systems
53 .GAS - Grab-a-Site Project Blue Squirrel
54 .GAU - Microsoft Flight Simulator Gauge Format Microsoft
55 .GAX - Age Of Empires II Save Game Microsoft Studios
56 .GB - Nintendo Gameboy ROM Image N/A
57 .GB1 - Game Maker Backup Format YoYo Games
58 .GBA - Nintendo Game Boy Advance ROM Image N/A
59 .GBAP - GLBasic Project Format Dream Design Entertainment
60 .GBAS - GLBasic Source File Dream Design Entertainment
61 .GBASKIN - GBA4iOS Controller Skin N/A
62 .GBC - Nintendo GameBoy Colour Emulator ROM Image Format N/A
63 .GBCK - Glary Utilities Backup Glarysoft Ltd.
64 .GBCSKIN - GBA4iOS Controller Skin N/A
65 .GBD - Great Budget Budget Definition Great Budget Software
66 .GBF - Great Budget Fringe Definition Great Budget Software
67 .GBH - GigaBar Scheme Gigabar
68 .GBI - GBurner Disk Image Format gBurner Systems
69 .GBK - Delphi Runimage Iblocal Examples Format Embarcadero Technologies
70 .GBL - Microsoft Visual Basic Global Definition Microsoft Corporation
71 .GBLORB - Interactive Fiction N/A
72 .GBM - Genie Backup Manager Archive Genie-Soft Corporation
73 .GBO - Gerber Bottom Overlay (silk Screen) N/A
74 .GBP - Gerber Bottom Paste Mask Output Format Format N/A
75 .GBPROJ - Apple GarageBand Project Format Apple
76 .GBR - GIMP Brush Image Format GIMP
77 .GBS - Nintendo Game Boy Music Audio Data Format N/A
78 .GBT - Adobe Photoshop Format Adobe Systems Incorporated
79 .GBX - Nadeo Games Format Nadeo
80 .GBXML - Green Building XML N/A
81 .GC - GraphClick Format Arizona
82 .GC3 - Golden Common Lisp Source Code Gold Hill Co.
83 .GCA - GCA Compressed Archive Format N/A
84 .GCA3 - GURPS Character Assistant Steve Jackson Games
85 .GCA4 - GURPS Character Assistant Steve Jackson Games
86 .GCA4BASE - GURPS Character Assistant Steve Jackson Games
87 .GCA4PARTY - GURPS Character Assistant Steve Jackson Games
88 .GCCV - PageMaker Filter Adobe Systems Incorporated
89 .GCD - Prassi CD Disk Image Format N/A
90 .GCDA - GCC Gcov Profiling Free Software Foundation, Inc.
91 .GCDP - Greeting Card Studio Project Format Software Depot Online
92 .GCF - Steam Client Grid Cache Format Valve
93 .GCG - GCG 8 Sequence Chemical Format N/A
94 .GCH - C++ Precompiled Header N/A
95 .GCI - Grand Theft Auto 2 Game Format Rockstar Games
96 .GCM - GameCube Image Format Nintendo
97 .GCNO - GCC Gcov Profiling Free Software Foundation, Inc.
98 .GCO - Genbox Family History Chart Options N/A
99 .GCODE - G-code Source N/A
100 .GCP - Spectramap Group Properties Coloritto BV
101 .GCRD - GnomeCard VCard N/A
102 .GCS - GameShark SharkSave For GameCube Format GoPro
103 .GCSX - Microsoft Office SmartArt Color Variation Package Format Microsoft
104 .GCT - Ocarina Cheat Code Manager Exported Cheat Format Ocarina Cheat Code Manager
105 .GCW - Microsoft Math Worksheet Format Microsoft
106 .GCX - Apple Grapher Graph Format Apple
107 .GCZ - Compressed GameCube/Wii ROM N/A
108 .GD - GD Library Picture Image Boutell.Com, Inc.
109 .GDA - Unix Manual Page Guide The Open Group
110 .GDB - Database Format Borland
111 .GDBINDEXES - ArcGIS Geodatabase Index Esri
112 .GDBTABLE - ArcGIS Geodatabase Esri
113 .GDBTABLX - ArcGIS Geodatabase Esri
114 .GDC - Iconics GraphWorx32 ICONICS, Inc.
115 .GDD - Gerber Drill Drawing Data N/A
116 .GDE - GlobalQSL Graphic Editor GlobalQSL
117 .GDF - GUESS Graph Data Format GUESS
118 .GDFMAKERPROJECT - GDF Editor Project Format Microsoft
119 .GDH - SmartWare High-low Graph SmartWare Corporation
120 .GDI - Generic Download Install Various Linux developers
121 .GDIAGRAMSTYLE - OmniGraffle Diagram Style Format The Omni Groupg
122 .GDL - ArchiCAD Geometric Description Language Data Graphisoft
123 .GDM - Bells, Whistles, And Sound Boards Module N/A
124 .GDN - SmartWare Graph Definition SmartWare Corporation
125 .GDOC - Link To Google Docs Web Application Document Google
126 .GDP - Scrolling Game Development Kit Project Benjamin Marty
127 .GDQ - SmartWare Quick Graph SmartWare Corporation
128 .GDR - Symbian OS Bitmap Font Format N/A
129 .GDRAW - Link To Google Drawings Web Application Drawing Google
130 .GDRIVE - Gizmo Virtual Drive Format Arainia Solutions
131 .GDS - Graphic Data System Format Cadence Design Systems
132 .GDSP - Astound Gold Disk Inc.
133 .GDT - Guitar & Drum Trainer Song Configuration Renegade Minds
134 .GDV - SmartWare Graphics Screen Driver SmartWare Corporation
135 .GDW - Jaws Unleashed Data Format Majesco Entertainment
136 .GDX - GAMS Result GAMS Development Corporation
137 .GDYN - GIMP Pressure Curves Output N/A
138 .GDZ - Genbox Family History Data Initialization Thoughtful Creations
139 .GE2 - Maya 4 GE2 Exporter Autodesk, Inc.
140 .GE3 - Mastercam Geometry CNC Software, Inc.
141 .GE6 - WinFamily 6 Genealogy N/A
142 .GEA - Fifa World Cup Game Data Electronic Arts, Inc.
143 .GEB - Dr. Hardware Peter Gebhard
144 .GED - GEDCOM Family History Format The LDS Church
145 .GEDATA - Qlucore Omics Explorer Data Format Qlucore
146 .GEDCOM - GEDCOM Genealogy Format N/A
147 .GEL - Molecular Dynamics Image N/A
148 .GEM - GEM Vector Picture Format Deltasoft
149 .GEMFILE - Ruby RubyGems Ruby community
150 .GEMSPEC - Ruby RubyGems Specification Format RubyGems
151 .GEN - Ventura Publisher Generated Text Format N/A
152 .GENERICTEST - Microsoft Visual Studio Generic Test Microsoft Corporation
153 .GENMODEL - Eclipse IDE Domain Gen Model The Eclipse Foundation
154 .GEO - VRML Geography Format N/A
155 .GEOJSON - GeoJSON Format GeoJSON
156 .GEP - GeneXproTools Data Gepsoft Ltd.
157 .GEPRINT - Google Earth Pro Map Setting Google Inc.
158 .GER - German Text/html Info N/A
159 .GES - PINGO GrADS Description Jörg Wegner
160 .GET - Pov-Ray For Windows 3.x Persistence of Vision Raytracer Pty. Ltd.
161 .GETRIGHT - GetRight Unfinished Download Headlight Software, Inc.
162 .GEXF - Graph Exchange XML Graph Format GEXF Working Group
163 .GF - MetaFont Font Format N/A
164 .GFA - GFA-BASIC Tokenized Source GFA Software Technologies
165 .GFAR - Greenfoot JAVA Archive Greenfoot.org
166 .GFB - GIFBlast Compressed GIF Image Format GIFBlast
167 .GFC - Patton&Patton Flow Charting 4 Flowchart Patton&Patton
168 .GFD - GeForms Gadwin Systems, Inc.
169 .GFF - SignalMap Gene-Finding Format (GFF) Data Roche NimbleGen, Inc.
170 .GFIE - Greenfish Icon Editor Pro Graphic Greenfish Software
171 .GFL - GeForms Gadwin Systems, Inc.
172 .GFORM - Link To Google Forms Web Application Form Document Google
173 .GFP - GreenForce-Player Audio Or Video Format GreenForce-Player
174 .GFS - Microsoft SharePoint WorkSpace Groove Remote Microsoft Corporation
175 .GFT - NeoPaint Font NeoSoft Corp.
176 .GFW - GIF World Format N/A
177 .GFX - Genigraphics Graphics Link Presentation N/A
178 .GG - Google Desktop Gadget Format Google
179 .GGB - GeoGebra Document Format GeoGebra
180 .GGD - GASTAR Output CERC
181 .GGF - GPS Pathfinder Office Geoid Grid Trimble Navigation Limited
182 .GGG - Green Globs & Graphing Equations Game Record Sharon Dugdale & David Kibbey
183 .GGI - GGI The GGI Project
184 .GGM - Green Globs & Graphing Equations Saved State Sharon Dugdale & David Kibbey
185 .GGP - GemCom Graphic Format Gemcom Software International Inc.
186 .GGPK - Grinding Gears Package Grinding Gears Games
187 .GGR - GIMP Gradient Format GIMP
188 .GGS - Gameboy Emulator N/A
189 .GGT - GeoGebra User-defined Tool GeoGebra Team
190 .GGZ - Garena Skin Garena Online
191 .GHC - Visual Basic Constant Map Microsoft Corporation
192 .GHD - Geonaute Keymaze Tracklog N/A
193 .GHO - Norton Ghost Backup Image Format Symantec
194 .GHS - Norton Ghost Backup Format Symantec
195 .GHT - Ghost Project Symantec Corporation
196 .GHX - Grasshopper Scott Davidson
197 .GI - Prassi DVD Disk Image Format N/A
198 .GI! - GigaSampler/GigaStudio Split N/A
199 .GIC - BioWare Aurora Engine Area BioWare
200 .GID - Microsoft Windows Help General Index Format Microsoft
201 .GIF - Graphics Interchange File Format N/A
202 .GIF2 - Netobjects Fusion Styles Lines NetObjects Inc.
203 .GIF89A - GIF 89a Image N/A
204 .GIFENX - Egis Encrypted GIF Egis Technology Inc.
205 .GIFF - CompuServe Bitmap Image(Graphics Interchange Format) N/A
206 .GIG - GigaSampler/GigaStudio Audio Format Tascam
207 .GIH - GIMP Animated Brush GIMP
208 .GIM - Sony Playstation 3 Icon Format Sony
209 .GIN - GEMS Engine Control Unit Format General Engine Management Systems
210 .GINSPECT_PRJ - GOM Inspect Project Format GOM
211 .GIO - Nyquist Midi Test Format N/A
212 .GIP - Ghost Installer Package Ethanole Solutions
213 .GIR - Gens Plus! Movie RETROBASE.NET
214 .GIS - CFS Console Game Installer Settings Format Zaplots
215 .GIT - Git Repository Linus Torvalds
216 .GITATTRIBUTES - Pro Git Attribute Scott Chacon
217 .GITIGNORE - Git Ignore Format Git
218 .GITKEEP - Gitkeep N/A
219 .GJD - 7th Guest Game Archive Trilobyte
220 .GJF - Gaussian Input Data Gaussian, Inc.
221 .GKF - GAUSS Engine License Aptech Systems, Inc
222 .GKH - Ensoniq EPS Family Disk Floppy Format N/A
223 .GKO - Gerber Keep Out Layer N/A
224 .GKP - GameKeyboard Locnet
225 .GKS - Graphical Kernel System Fle International Organization for Standardization
226 .GL - Graphical System For Presentation Animation Format N/A
227 .GL2 - HP Graphics Language Plotter N/A
228 .GLA - Sothink SWF Easy Project Format SourceTec Software
229 .GLAD - GenePattern GLAD Broad Institute
230 .GLADE - Glade Project Format The Glade Project
231 .GLB - STK Globe Format Analytical Graphics
232 .GLC - IGIS Data Geometry Pty Ltd.
233 .GLD - MPLAB C Compiler Linker Script Format Microchip Technology
234 .GLF - Space Engine Shader Format Space Engine
235 .GLIF - Glyph Interchange Format The RoboFab developers
236 .GLINK - Link To Third-party Google Drive Web Application Document Google
237 .GLK - Microsoft SharePoint WorkSpace Groove Shortcut Microsoft Corporation
238 .GLL - EASE SpeakerLab Compiled Text AFMG Technologies GmbH
239 .GLM - DInsight Modeling Studio 3D CAM Model DInsight
240 .GLO - Adobe RoboHelp Glossary Format Adobe Systems
241 .GLOBAL - Global Makefile N/A
242 .GLOS - Microsoft Word For Mac Glossary Microsoft Corporation
243 .GLOX - Microsoft Office SmartArt Graphic Layout Definitions Package Format Microsoft
244 .GLP - NaviEdit Geoconsult Long Profile EIVA a/s
245 .GLS - GLScript Format Babylon
246 .GLU - Cyberglue Cyberglue
247 .GLUE - GlueMon Audio N/A
248 .GLUT - OpenGL GLUT SGI
249 .GLUT2 - OpenGL Glut-3.6 Silicon Graphics, Inc.
250 .GLUT3 - OpenGL GLUT SGI
251 .GLX - DataStudio Experiment Pasco
252 .GLY - Microsoft Word Glossary Format Microsoft
253 .GLZ - Crossword Power Tools Crossword Library CPT
254 .GM - Transport Tycoon Game Music Format GameMonkey Script
255 .GM1 - Heroes Of Might & Magic 3 Saved Game The 3DO Company
256 .GM2 - Heroes Of Might & Magic III Saved Game The 3DO Company
257 .GM3 - Heroes Of Might & Magic III Saved Game The 3DO Company
258 .GM4 - Autologic Bitmap Image N/A
259 .GM6 - Game Maker Project Format YoYo Games
260 .GM81 - GameMaker Data Format YoYo Games
261 .GMANIFEST - Google Desktop Gadget Control Google Inc.
262 .GMAP - Garmin Map Format Garmin
263 .GMBCK - Game Maker Background Image Format YoYo Games
264 .GMC - Global Mapper Catalog Global Mapper Software LLC
265 .GMD - Game Maker Stored Game N/A
266 .GME - Interact DexDrive Sony Playstation Memory Card Save InterAct
267 .GMF - Robot Arena Design And Destroy Graphic Format Leaderwerks
268 .GMI - GPS Tuner Map Calibration Data Megalith-Systems
269 .GMK - Game Maker Project Format YoYo Games
270 .GML - Geography Markup Language Galdos Systems
271 .GMM - Global Mobile Media N/A
272 .GMMOD - Game Maker 3D Model Format N/A
273 .GMMP - WCS GMMP Gamut Mapping Profile Microsoft
274 .GMO - GNU Gettext Machine Object Format N/A
275 .GMP - Geomorph Tile Map Patrice St-Gelais
276 .GMR - Game Maker Compiled Game YoYo Games
277 .GMRES - Game Maker Resource Format YoYo Games
278 .GMS - LibGMS Gesture And Motion Signal Format GMS
279 .GMSPR - GameMaker Sprite Format YoYo Games
280 .GMT - Global Mobile Television Multimedia Format N/A
281 .GMV - Gens Movie Capture Format Gens
282 .GMW - Global Mapper Workspace Global Mapper Software LLC
283 .GMX - GroupMail Message Infacta Ltd.
284 .GMZ - GameMaker Complete Source YoYo Games
285 .GNC - Great Notions Embroidery N/A
286 .GND - Geography Network Document N/A
287 .GNE - Flickr PHP Format Ludicorp
288 .GNM - GNM Output Music N/A
289 .GNO - GenoPro Genealogy Document Format GenoPro
290 .GNP - GNXAS GNPeak Output Format GNXAS
291 .GNS - Sound Health Abacus Genesis Sound Health Options
292 .GNT - Micro Focus COBOL Generated Code Micro Focus International plc
293 .GNUMAKEFILE - GNU Make Makefile GNU
294 .GNUTAR - TAR Archive Format Free Software Foundation
295 .GO - Google Go Programming Language Source Code N/A
296 .GO! - Go!Zilla Unfinished Download Headlight Software, Inc.
297 .GOA - SpiceCAD N/A
298 .GOB - LucasArts Game Resource LucasArts Entertainment Company, LLC
299 .GOC - GEOS GOC Source Code Berkeley Softworks
300 .GOD - Populous 2 Saved Game Format Synbioz
301 .GOF - GameExchange Raw Object Definition Okino Computer Graphics
302 .GOFIN - Druki Gofin Document GOFIN sp. z o.o.
303 .GOG - Drumagog Sample WaveMachine Labs, Inc.
304 .GOLD - Gnome Desktop The GNOME Project
305 .GOM - GOpenMol Model Format GRETECH
306 .GOOMOD - World Of Goo Add-on 2D Boy
307 .GOR - Myth: The Fallen Lords Game Data Eidos Interactive Ltd.
308 .GORM - Gorm Interface Resource Format N/A
309 .GOX - The Games Factory Extension ClickTeam
310 .GP - Guitar Pro Arobas Music
311 .GP1 - Street Atlas GPS Log DeLorme
312 .GP2 - Gerber Inner Plane 2 (negative) N/A
313 .GP3 - Guitar Pro 3 Project Format Arobas Music
314 .GP4 - Guitar Pro 4 Project Format Arobas Music
315 .GP5 - Guitar Pro 5 Project File Format Arobas Music
316 .GPB - Gerber Bottom Pad Master N/A
317 .GPBANK - Guitar Pro Audio Bank Format Arobas Music
318 .GPC - Genie Backup Manager Plugin Genie-Soft Corporation
319 .GPD - Microsoft Windows Universal Printer Unidrv Minidriver Format Microsoft
320 .GPE - GP2X Video Game Executable Format GamePark
321 .GPF - Ragnarok Online Gravity Re-packed Format Gravity Interactive
322 .GPG - GNU Privacy Guard Public Keyring Format Free Software Foundation
323 .GPH - Lotus 1-2-3 Graph IBM
324 .GPI - Garmin Point Of Interest Format Garmin
325 .GPJ - GINT Project Format gINT Software, Inc.
326 .GPK - GEOS Compressed Omnigo Format Archive Berkeley Softworks
327 .GPL - GNU Public Licence Text N/A
328 .GPM - Ragnarok Online Update Gravity Interactive Inc.
329 .GPN - GlidePlan Map Document Format N/A
330 .GPP - Serif GraphicsPlus Object Format Music Practiced Perfectly
331 .GPR - GenePix Results Format Molecular Devices
332 .GPRJ - Gearotic Motion Project Gearotic
333 .GPRX - Geoxa Project Format Creative GIS Solutions
334 .GPS - GOM Player Skin Format GRETECH
335 .GPT - Gerber Top Pad Master N/A
336 .GPU - GP2X Utility Program Format GamePark
337 .GPW - Autodesk AutoCAD Civil 3D Hydraflow Hydrographs Extension Autodesk, Inc.
338 .GPX - Guitar Pro 6 Format N/A
339 .GPZ - IBM DB2 Document Manager Document History IBM
340 .GQF - GrafEq Data Pedagoguery Software Inc.
341 .GQS - GrafEq Data Pedagoguery Software Inc.
342 .GQSX - Microsoft Office SmartArt Style Definitions Package Format Microsoft
343 .GR2 - Granny 3D Format RAD Game Tools
344 .GR4 - Pathloss Sharing Contract Telecommunication Engineering Ltd.
345 .GRA - Microsoft Graph Chart Format Microsoft
346 .GRADE - GradeStat Document Format GradeStat
347 .GRADS - PINGO GrADS Data Jörg Wegner
348 .GRAFFLE - OmniGraffle Drawing Format The Omni Group
349 .GRAPHML - Graph Markup Language Format The GraphML Team
350 .GRAPHMLZ - Compressed GraphML Source Format N/A
351 .GRASP - Graphical System For Presentation Animation Format N/A
352 .GRAY - RAW Gray Samples Bitmap Image N/A
353 .GRB - GRIB Meteorological Data Format World Meteorological Organization
354 .GRBDROPFILE - GetRight Headlight Software, Inc.
355 .GRC - Affymetrix Grid Control Affymetrix, Inc.
356 .GRD - Adobe Photoshop Image Ready Gradient Format Adobe Systems
357 .GRDECL - Eclipse Specific The Eclipse Foundation
358 .GREENFOOT - Greenfoot Project Greenfoot.org
359 .GREY - Raw Image Format N/A
360 .GRF - DPlot Graph Format Hydesoft Computing
361 .GRG - GreatFamily Graphic Gallery GreatProgs
362 .GRI - Petrosys Grid Petrosys Pty Ltd
363 .GRIB - WMO CBS FM 92-VIII Ext. Gridded Binary Format World Meteorological Organization
364 .GRID - GridMove Grid Settings DonationCoder.com
365 .GRK - Gradekeeper Document Gradekeeper
366 .GRL - Microsoft Windows Update Status Format Microsoft
367 .GRLE - Farming Simulator Save Game GIANTS Software GmBH
368 .GRM - NovaLogic Game Facial Expressions NovaLogic, Inc.
369 .GRN - Granny 3D Format RAD Game Tools
370 .GRO - HP-48/49 Grob Graphic Image Format Hewlett-Packard
371 .GROB - Graphic Object Bitmap Format Hewlett-Packard
372 .GROOVE - Sony ACID Groove Format Sony
373 .GROOVY - Groovy Programming Language Script Format VMware, Inc.
374 .GROUP - Windows Mail Group Format Microsoft
375 .GROUPPROJ - Delphi Project Group Format Embarcadero Technologies
376 .GROUPS - WM Keeper CLASSIC Group WebMoney
377 .GROWLREGDICT - Growl Temp Format Growl Team
378 .GROWLSTYLE - Growl WebKit Style Growl Team
379 .GROWLTICKET - Growl Notification Format Growl Team
380 .GROWLVIEW - Growl Display Plugin Growl Team
381 .GRP - Microsoft Windows Program Group Format SmarterTools
382 .GRR - Gradekeeper Class Roster Format Gradekeeper
383 .GRS - GetRight Skin Headlight Software, Inc.
384 .GRT - Grapher Template Golden Software
385 .GRU - Geist Preset FXpansion™ Audio UK Ltd.
386 .GRV - Microsoft SharePoint WorkSpace Groove Format Microsoft
387 .GRW - SeeYou Waypoint Naviter d.o.o.
388 .GRX - GetRight File List Headlight Software, Inc.
389 .GRXML - Grammar N/A
390 .GRY - Raw Image (Raw GREY) N/A
391 .GS - Haskell Gofer Script Format Google
392 .GS0 - Sega Genesis (Megadrive) Emulator Quick Slot 0 Save Format N/A
393 .GS1 - Genecyst Save State 1 Bloodlust Software
394 .GS3 - Genecyst Game Save State 1 Format GameStarter
395 .GS4 - Genecyst Saved State Slot 4 Bloodlust Software
396 .GSA - Microsoft SharePoint WorkSpace Groove Working Space Archive Or Template Microsoft Corporation
397 .GSB - Golden Software Boundary Data Format Golden Software
398 .GSBA - GameSave Manager Save Backup InsaneMatt
399 .GSC - Call Of Duty Script Format Activision
400 .GSCRIPT - Link To Google Scripts Web Application Script Google Inc.
401 .GSCX - Microsoft Office Diagram Microsoft Corporation
402 .GSD - Generic Station Description Format PROFIBUS & PROFINET International
403 .GSDU - GameSave Manager Database Update InsaneMatt
404 .GSE - GeneSys Export Psytech International
405 .GSF - Ghostscript Fonts Artifex Software
406 .GSFLIB - Game Boy Advance Song Library N/A
407 .GSHEET - Link To Google Sheets Web Application Spreadsheet Document Google
408 .GSI - Golden Software Interchange Format Golden Software
409 .GSL - GoodSync Job List Siber Systems, Inc.
410 .GSLIDES - Link To Google Slides Web Application Presentation Google
411 .GSM - GSM Sound Format N/A
412 .GSP - IMail Server Returned Mail Ipswitch
413 .GSPROJ - GameSalad Project Format GameSalad
414 .GSR - Golden Software GIS Format Golden Software
415 .GSR2 - Golden Software GIS Format Golden Software
416 .GSS - Multi Game Memory Editor Memory Snapshot N/A
417 .GST - MapInfo Geoset Format MapInfo
418 .GSTENCIL - OmniGraffle Stencil The Omni Group
419 .GSVR - Ghostscript Artifex Software
420 .GSX - Gens Sega Emulator Save State Format N/A
421 .GSYM - ArchiCAD For MAC Geometric Description Language Graphisoft
422 .GSZ - GeoStudio Project GEO-SLOPE International Ltd.
423 .GSZIP - GameSalad Market Asset Format GameSalad
424 .GT - Gold Thread Embroidery Format N/A
425 .GT2 - Graoumf Tracker Music Module (MOD) SourceForge.net
426 .GTA - Microsoft SharePoint WorkSpace Groove Tool Archive Format Microsoft
427 .GTABLE - Link To Google Fusion Tables Web Application Table Google
428 .GTAR - GNU Tar Compressed Archive Format Free Software Foundation
429 .GTC - Graitec Exchange Format Graitec
430 .GTE - GigaTrust Protected GigaTrust
431 .GTEMPLATE - OmniGraffle Template The Omni Group
432 .GTH - Bibexcel Olle Persson
433 .GTHR - Gather Log Format Microsoft
434 .GTI - STRUDL Input Georgia Tech Research Corporation
435 .GTKRC - GTK+ Skin Format The GTK+ Project
436 .GTL - Gerber Top Layer N/A
437 .GTM - GreekToMe Data Format Charles H. King
438 .GTO - Quicken Online Data Intuit Inc.
439 .GTP - Guitar Pro Project Arobas Music
440 .GTS - CaptiveWorks PVR Video Recording Format CaptiveWorks
441 .GTX - Genetica Seamless Texture Format Spiral Graphics Inc.
442 .GUI - Dr.Explain Project Format Indigo Byte Systems
443 .GUIDE - AmigaGuide Hypertext Cloanto Italia srl
444 .GUIDES - The Iconfactory XScope Guides Format The Iconfactory
445 .GUL - JungUm Global Viewer Korean Language Samsung Group
446 .GUS - Universal Score Poster Script Getscores.org
447 .GV - Graphviz DOT Language Format AT&T
448 .GVG - Kompass Map Kompass
449 .GVI - Google Video Format Google
450 .GVIMRC - GVim Settings Format gVim
451 .GVM - Phantasy Star Online Sega Corporation
452 .GVN - GeoVisu Navigation Data GeoVisu Development Team
453 .GVP - Google Video Player Google Video Pointer Playlist Format Google
454 .GVR - GeoVisu Routes GeoVisu Development Team
455 .GVT - GeoVisu Tracklogs GeoVisu Development Team
456 .GVW - GeoVisu Waypoints GeoVisu Development Team
457 .GVY - Groovy Script Format VMware, Inc.
458 .GW - SWAT Groundwater Input Grassland, Soil & Water Research Laboratory
459 .GWB - GenStat Book VSN International
460 .GWF - Benthic Golden Benthic Software
461 .GWI - GroupWise Link Information Format Novell
462 .GWK - GC-Prevue GraphiCode PCB Job Format GraphiCode
463 .GWL - Nanoscribe General Writing Language N/A
464 .GWP - Greetings WorkShop Format Microsoft
465 .GWS - GeoMedia Geoworkspace Format Intergraph
466 .GWT - SpaceStat Generalized Weights Format N/A
467 .GWV - Groundwater Vistas Packaged Model ESI LTD
468 .GX2 - Generic Cadd N/A
469 .GXA - General CADD Attribute Data General CADD Products, Inc.
470 .GXC - General CADD Pro Component Data Format General CADD Products
471 .GXD - General CADD Pro Drawing Format General CADD Products
472 .GXF - General CADD Pro Font Data Format General CADD Products
473 .GXH - General CADD Pro Hatch Pattern Format General CADD Products
474 .GXK - Galaxkey File Manager Encrypted Format Galaxkey
475 .GXL - Graph Exchange Language Format R. C. Holt
476 .GXM - General CADD Pro Format General CADD Products
477 .GXR - GeneXus Report Artech Consultores S.R.L.
478 .GXT - Grand Theft Auto 2 Game Format Rockstar Games
479 .GXW - GRASS GIS Workspace Layout Definition GRASS Development Team
480 .GYM - Sega Genesis/Mega Drive Music Logged N/A
481 .GYP - Google Chromium GYP Input Configuration Microsoft Corporation
482 .GYPI - Chrome/Chromium Include N/A
483 .GZ - GZIP Compressed Archive Format The GNU Project
484 .GZ1 - Orgadata LogiKal Orgadata AG
485 .GZ2 - Misnamed BZ2 Format N/A
486 .GZA - Bzip2 Compressed File Archive N/A
487 .GZF - Webcopier MaximumSoft Corp.
488 .GZI - GZip Compressed Archive N/A
489 .GZIP - GNU ZIP Gzip Compressed Archive Format N/A
490 .GZL - Go!Zillalist Headlight Software, Inc.
491 .GZP - Giants Citizen Kabuto Game Interplay Entertainment Corporation
492 .GZQUAR - BitDefender Quarantine Softwin
493 .GZR - GunZ MAIET Entertainment, Inc.