G
| Ext. | Description | Used by |
|---|---|---|
| G | Data chart | APPLAUSE |
| G16 | GoldED for DOS compiled config | GOLDED.EXE |
| G3D | Glest model file | G3D viewer |
| G3P | data | Grand Prix 3 car physics |
| G8 | Raw graphics file (one byte per pixel) plane three | PicLab - Cubicomb Picturemaker |
| GAF | Globa Game Engine audio format | Globa Game Engine |
| GAM | Fax | GammaFax |
| GAMEPROJ | Gamesalad game project format | GameSalad |
| GB | Game Boy ROM | |
| GB1 | Game Maker backup file (can also be GB2, GB3, etc.) | |
| GBA | Game Boy Advance ROM | |
| GBC | Game Boy Color ROM | |
| GBL | Genesis Bitmap Layout | |
| GBL | Global definitions | VAXTPU editor |
| GBL | Global module in Basic programs | |
| GBP | Genesis Bitmap Pattern | |
| GBS | GBS meta data | Generic Build Support (GBS) |
| GBR | GIMP brush | |
| GC | Savegame | Star Wars: Battlefront II Galactic Conquest save file |
| GC1 | Lisp source code | Golden Common Lisp 1.1 |
| GC3 | Lisp source code | Golden Common Lisp 1.3 |
| GCA | IBM GOCA | GCGW |
| GCD | Graphics | |
| GCD | General content descriptor | Wireless devices |
| GCD | Generic Cadd drawing | Generic Cadd, Visual Cadd |
| GCF | Game cache file | Steam content delivery system |
| GCH | GNU preprocessed C++ header file | GNU C++ compiler |
| GCI | Nintendo GameCube save file | Nintendo GameCube |
| GCX | Graph file | Mac OS X Grapher |
| GD3 | Game Doctor Super NES ROM image | |
| GDF | General Data Format for Biomedical Signals | Biomedical signal processing, Brain Computer Interfaces |
| GDF | Dictionary file | GEOS |
| GDF | Geographical Data Format | Various mapping software |
| GDF | IBM Graphics Data Format | Legacy IBM systems |
| GDL | Data | ArchiCAD model |
| GDS | McDonnell-Douglas Things | |
| GE | GEcho config file | GEcho |
| GED | GEDCOM | Genealogy data exchange |
| GED | EDITOR's native file format | Arts & Letters |
| GED | GoldED for DOS compiled config file | GOLDED.EXE |
| GED | Graphics editor file | EnerGraphics |
| GED | Game Editor Data / project file | Game Editor |
| GEM | Vector graphics file | GEM - Ventura Publisher |
| GEN | Compiled template | dBASE Application Generator |
| GEN | Generated text | Ventura Publisher |
| GEO | Geode | Geoworks |
| GEO | GEOS specific file (application) | GEOS |
| GEO | GoldED for OS/2 compiled config file | GED2.EXE |
| GEX | GEcho config file | GEcho |
| GFB | Compressed GIF image created by GIFBLAST | gifblast.exe |
| GFO | SGI Radiosity | |
| GFT | Font | NeoPaint |
| GFT | GEM-translator font file | |
| GFX | Instant Artist graphics Files | Instant Artist |
| GFX | PCBoard @X-coded colorful text | GFX2COM - GFX2EXE |
| GHO | Norton Ghost File (first file) | Symantec |
| GHS | Norton Ghost File (split file) | Symantec |
| GHW | GHDL Wave file | GHDL/GTKWave data file |
| GIB | Chart | Graph-in-the-Box |
| GIB | GIMP animated brush | |
| GID | Help index | windows 95 help |
| GIF | Compuserves' Graphics Interchange Format (bitmapped graphics) | QPeg - Display - CompuShow |
| GIW | Presentation | Graph-in-the-Box for Windows |
| GKH | Ensoniq Disk Image (VFX, SD, EPS, ASR, TS) | Ensoniq |
| GKS | Graphics Kernel System | |
| GL | Animation format | grasprt.exe, PV |
| GL | Animation | GRASP GRAphical System for Presentation |
| GLB | Global module in Basic programs | |
| GLM | Datafile, KernelCAD model | Glim, KernelCAD |
| GLO | Global module in Basic programs | |
| GLS | Datafile | Across |
| GLY | Winword Glossary | Microsoft Word |
| GM6 | Game Maker Editable file as of version 6.x | Game Maker |
| GM81 | Game Maker Editable file as of version 8.1.x | Game Maker |
| GMD | Game Maker Editable file up to version 5.x | Game Maker |
| GMF | CGM graphics file | APPLAUSE |
| GMK | Game Maker Editable file as of version 7.x or 8.x | Game Maker |
| GML | Game Maker GML script file | Game Maker |
| GMOD | Data | Golgotha 3D model |
| GMP | Geomorph tile map | SPX |
| GMS | Ghost Mouse Script | |
| GMS | Gesture and Motion File Formats | |
| GMT | data | RFactor car physics |
| GOC | Goc source code file | Geoworks |
| GOE | GOES graphic file | |
| GOH | Goc header file | Geoworks |
| GP5 | Guitar Pro 5 song | Guitar Pro 5 |
| GP | Geode parameter file | Geoworks Glue |
| GP4 | data | Grand Prix 4 car physics |
| GPH | Graph | Lotus 1-2-3/G |
| GPK | Omnigo program package | |
| GPX | GPS eXchange Format | |
| GR2 | Screen driver | Windows 3.x |
| GRA | Datafile | SigmaPlot |
| GrADS | Metafile | |
| GRAFFLE | OmniGraffle graph file | |
| GRASP | Graphical System for Presentation | |
| GRB | T-FLEX CAD file | Top Systems |
| GRB | MS-DOS Shell Monitor file | MS-DOS 5 |
| GRD | Drivers for GRX (graphics library) | GRX (c) Free Soft. Found. |
| GRDNT | Image format used in the core of some very obscure customized operating systems to represent gradients; see also SCTOR | |
| GRE | data | Grenoble Thermal ellipsoids Plot Program |
| GRF | Graph file | Graph Plus - Charisma |
| GRIB | Gridded Binary | |
| GRN | Drivers for GRX (graphics library) | GRX (c) Free Soft. Found. |
| GRP | Group file | Windows 3.x - Papyrus |
| GRP | Pictures group | PixBase |
| GRY | Graphics format (RAW GREYz) | |
| GS1 | Presentation | GraphShow |
| GS3 | data | GameStarter |
| GSA | data | Microsoft Office Groove Space Archive |
| GSD | Vector graphics | Professional Draw |
| GSM | Raw GSM 6.10 audio stream | AWAVE |
| GSP | Geometer's Sketchpad | |
| GSW | Worksheet | GraphShow |
| GTA | data | Microsoft Office Groove Tool Archive |
| GUP | PopMail | |
| GV | GrandView outline file | |
| GVO | Data | GFXFX Vector Object |
| GWI | Groupwise File | Local saved Email |
| GXL | Graphics library | Genus |
| GXK | Secure Data encryption Format | Galaxkey |
| GZ | Archive | GNU zip - WinZipNT |
| GZR | data | GunZ action replay |
Read more about this topic: List Of File Formats (alphabetical)