G File Extensions
Browse file types with extensions beginning with G.
| Extension | File Type | Popularity |
|---|---|---|
| .G | BRL-CAD Geometry File | 3.4 |
| .G | FlashForge G-Code File | 4.0 |
| .G1A | Casio Graphing Calculator Add-in File | 3.6 |
| .G1M | Casio Graphing Calculator Memory File | 4.0 |
| .G1M | Gust 3D Model | 1.0 |
| .G1T | Gust Texture Archive | 1.0 |
| .G2M | GoToMeeting Recording File | 3.7 |
| .G3 | CCITT Group 3 Fax Image | 4.0 |
| .G3A | Casio Prizm Add-in File | 3.9 |
| .G3D | GOM 3D File | 3.3 |
| .G3F | Zetafax Fax Image | 2.0 |
| .G3M | Casio fx-CG Prizm Memory File | 4.0 |
| .G3N | Zetafax Fax Image | 3.5 |
| .G3X | RealFlight Content File | 3.0 |
| .G41 | Commodore 1541 Disk Image | 2.3 |
| .G64 | Genetec Video File | 3.5 |
| .G64X | Genetec Video File | 3.4 |
| .G721 | G.721 ADPCM Audio | 3.0 |
| .G722 | G.722 ADPCM Audio | 2.0 |
| .G723 | G.723 ADPCM Audio | 2.3 |
| .G726 | G.726 ADPCM Audio | 3.9 |
| .GA | Genetic Art Image Parameters | 3.0 |
| .GA3 | Graphical Analysis 3 Document | 3.0 |
| .GADGEPRJ | Gadge It Project | 2.0 |
| .GADGET | Windows Gadget | 4.0 |
| .GAL | GenePix Array List File | 3.7 |
| .GALAXY | Blizzard Galaxy File | 3.3 |
| .GALLERY | SMART Notebook Gallery File | 3.6 |
| .GALLERYCOLLECTION | SMART Notebook Gallery Collection File | 4.0 |
| .GALLERYITEM | SMART Notebook Gallery Item File | 3.8 |
| .GAM | Saved Game File | 4.1 |
| .GAM | Half-Life Custom Game Settings File | 1.7 |
| .GAME | GameSalad Exported Game File | 3.9 |
| .GAME | Apple Chess Saved Game | 4.1 |
| .GAMEDATA | Sandlot Game Data File | 4.3 |
| .GAMEPROJ | GameSalad Project File | 3.0 |
| .GAN | GanttProject Project File | 2.9 |
| .GANTT | Online Gantt Chart | 3.7 |
| .GAR | GridGain Archive | 2.5 |
| .GAR | Farming Simulator Game Archive File | 4.2 |
| .GAR | Ghidra Project Archive | 2.3 |
| .GAU | Flight Simulator Gauge File | 3.2 |
| .GB | Game Boy ROM File | 4.2 |
| .GB | GenBank Data File | 3.9 |
| .GB1 | Game Maker Backup File | 3.5 |
| .GB2 | Game Maker Backup File | 3.2 |
| .GB3 | Geekbench 3 Pro Results | 2.0 |
| .GB4 | Geekbench 4 Pro Results | 2.0 |
| .GB5 | Geekbench 5 Pro Results | 3.5 |
| .GBA | Game Boy Advance ROM | 4.3 |
| .GBAP | GLBasic Project File | 2.0 |
| .GBAS | GLBasic Source File | 2.0 |
| .GBASKIN | Game Boy Advance Controller Skin File | 3.7 |
| .GBC | Game Boy Color ROM | 4.2 |
| .GBCSKIN | Game Boy Color Controller Skin File | 3.0 |
| .GBI | gBurner Project File | 3.3 |
| .GBK | GenBank Data File | 3.6 |
| .GBL | Gerber Bottom Layer Data File | 3.0 |
| .GBLORB | Glulx Blorb Game File | 2.4 |
| .GBM | Gameboy Map File | 2.0 |
| .GBMAP | GoreBox Map | 4.0 |
| .GBO | Gerber Bottom Overlay Data File | 4.0 |
| .GBP | Genie Timeline Backup Index File | 4.0 |
| .GBP | gBurner Project | 3.0 |
| .GBP | Gerber Bottom Solder Paste Data File | 3.0 |
| .GBPROJ | GarageBand Project | 3.0 |
| .GBR | Gerber File | 3.3 |
| .GBR | GIMP Brush File | 3.0 |
| .GBR | Gameboy Tileset File | 2.0 |
| .GBS | Game Boy Sound File | 3.8 |
| .GBS | Gerber Bottom Solder Mask Data File | 3.0 |
| .GBS | Generic Build Support Metadata File | 3.0 |
| .GBS | OtterUI Scene | 3.0 |
| .GBSPROJ | GB Studio Project File | 3.0 |
| .GBX | Nadeo Game File | 4.5 |
| .GBX | Gerber PCB File | 2.1 |
| .GC | GraphClick File | 2.5 |
| .GC | Galactic Conquest Saved Game | 2.0 |
| .GCA | GCA File Archive | 3.5 |
| .GCD | Generic CADD Drawing File | 3.2 |
| .GCD | Prassi CD Image | 3.5 |
| .GCD | Fallout 2 Character Profile File | 3.5 |
| .GCDP | Greeting Card Studio Design Project | 3.0 |
| .GCF | Game Cache File | 3.3 |
| .GCG | GCG DNA Sequence File | 4.5 |
| .GCH | Precompiled Header File | 4.0 |
| .GCI | GameCube Saved Game | 4.0 |
| .GCM | GameCube ROM File | 4.3 |
| .GCODE | G-Code 3D Printer File | 4.1 |
| .GCPROJ | Genome Compiler Project | 3.8 |
| .GCS | Cineform Studio Video Project | 2.8 |
| .GCS | GameCube SharkSave File | 2.6 |
| .GCSX | Microsoft Office SmartArt Color File | 2.0 |
| .GCT | Ocarina Cheat Code Manager File | 3.8 |
| .GCW | Microsoft Mathematics Worksheet | 3.3 |
| .GCX | Grapher Graph File | 3.3 |
| .GCZ | Compressed GameCube/Wii ROM | 3.7 |
| .GD | Godot Engine Script | 4.8 |
| .GD3 | GreatFamily Genealogy Data File | 2.0 |
| .GDB | GPS Database File | 3.8 |
| .GDB | InterBase Database File | 4.2 |
| .GDBTABLE | Geodatabase Table File | 3.5 |
| .GDC | Godot Engine Compiled Script | 4.4 |
| .GDCB | GandCrab Ransomware Encrypted File | 4.0 |
| .GDE | The Guide Document | 3.7 |
| .GDF | GUESS Graph Data Format File | 3.9 |
| .GDFMAKERPROJECT | GDF Editor Project File | 2.0 |
| .GDG | GDevelop Project File | 4.2 |
| .GDG.AUTOSAVE | GDevelop Project Autosave File | 2.3 |
| .GDI | Dreamcast Gigabyte Disc Image | 3.5 |
| .GDIAGRAMSTYLE | OmniGraffle Diagram Style File | 2.3 |
| .GDM | General Digital Music Module | 1.0 |
| .GDOC | Google Docs Shortcut | 3.7 |
| .GDOCX | Google Drive Document | 2.5 |
| .GDR | Symbian OS Font File | 3.0 |
| .GDRAW | Google Drawings Shortcut | 3.7 |
| .GDRIVE | Gizmo Virtual Drive File | 2.7 |
| .GDS | Graphic Data System File | 4.1 |
| .GDSHADER | Godot Engine Shader File | 3.5 |
| .GDT | gretl Datafile | 3.3 |
| .GDTB | gretl Binary Datafile | 3.0 |
| .GDV | Gremlin Digital Video | 2.0 |
| .GDW | Jaws Unleashed Data File | 1.0 |
| .GDZ | GEDZip Genealogy Data File | 2.0 |
| .GED | GEDCOM Genealogy Data File | 3.2 |
| .GED | Game Editor Project File | 3.0 |
| .GEDATA | Qlucore Data File | 3.0 |
| .GEDCOM | GEDCOM Genealogy File | 3.6 |
| .GEM | RubyGems Package | 3.4 |
| .GEM | Ventura Publisher Document | 2.3 |
| .GEM | GEM Metafile | 2.0 |
| .GEMSPEC | Gem Specification File | 3.0 |
| .GEN | Sega Genesis ROM | 4.1 |
| .GEN | ArcView ARC/INFO UnGenerate file | 3.4 |
| .GENBANK | GenBank Data File | 2.8 |
| .GENERICTEST | Visual Studio Generic Test File | 2.5 |
| .GENH | Generic Binary Header Music File | 3.5 |
| .GENOME | Cell Lab Design File | 3.8 |
| .GEO | VRML Geography File | 3.6 |
| .GEO | TruTops Geometry File | 3.1 |
| .GEOJSON | GeoJSON File | 3.5 |
| .GERO | GERO Ransomware Encrypted File | 3.0 |
| .GEXF | Graph Exchange XML Format File | 2.7 |
| .GF | METAFONT Bitmap File | 3.2 |
| .GFAR | Greenfoot Archive | 2.5 |
| .GFB | GIFBlast Compressed Image File | 2.3 |
| .GFE | Glarysoft Encrypted File | 3.1 |
| .GFI | GIFI File | 3.2 |
| .GFIE | Greenfish Icon Editor Pro Graphic | 2.7 |
| .GFNPC | GeForce NOW Game Shortcut | 2.0 |
| .GFORM | Google Forms Shortcut | 3.8 |
| .GFP | GreenForce-Player Protected Media File | 3.7 |
| .GFPAK | Game Freak Resource Package | 2.0 |
| .GFS | Glarysoft Split File | 3.0 |
| .GFW | GIF World File | 1.5 |
| .GFX | GFx Scaleform File | 3.0 |
| .GG | Google Desktop Gadget File | 3.9 |
| .GG | Sega Game Gear ROM | 4.4 |
| .GGB | GeoGebra Worksheet | 4.0 |
| .GGP | OtterUI Project File | 2.0 |
| .GGPACK | Thimbleweed Park Resource Archive | 3.5 |
| .GGR | GIMP Gradient File | 2.7 |
| .GGZ | NeptunJS Saved Game | 2.0 |
| .GH | Grasshopper Binary Definition | 4.5 |
| .GHB | Lego Ghost Path File | 1.3 |
| .GHO | Norton Ghost Backup File | 3.9 |
| .GHS | Norton Ghost Image Segment | 3.3 |
| .GHX | Grasshopper XML Definition | 4.0 |
| .GI | Global Image | 2.9 |
| .GID | Windows Help Global Index File | 4.0 |
| .GIF | Graphical Interchange Format File | 4.2 |
| .GIFV | GIF Video File | 2.7 |
| .GIG | Tascam GigaSampler File | 3.0 |
| .GIH | GIMP Image Hose File | 3.0 |
| .GIM | PlayStation Portable Image File | 3.6 |
| .GIN | GEMS Engine Control Unit File | 2.8 |
| .GINSPECT_PRJ | GOM Inspect Project File | 3.0 |
| .GIO | Adagio Score | 3.2 |
| .GIO | Nyquist MIDI File | 1.0 |
| .GIS | CFS Console Game Installer Settings | 1.0 |
| .GITATTRIBUTES | Git Attributes File | 4.1 |
| .GITIGNORE | Git Ignore File | 3.6 |
| .GITKEEP | Git Keep File | 3.4 |
| .GIVEMENITRO | Nitro Ransomware | 1.5 |
| .GJAM | Google Jamboard Shortcut | 3.4 |
| .GJD | The 7th Guest Media File | 3.0 |
| .GKH | Ensoniq EPS Family Disk Image | 3.0 |
| .GKS | Graphics Kernel System File | 2.3 |
| .GL | GRASP Animation | 2.5 |
| .GLA | Sothink SWF Easy Project File | 4.3 |
| .GLA | Ghoul 2 Animation File | 4.3 |
| .GLA | Gameloft Archive | 3.7 |
| .GLADE | Glade Project File | 4.2 |
| .GLB | STK Globe File | 3.4 |
| .GLB | Binary GL Transmission Format File | 3.3 |
| .GLB | Glulx Blorb Game File | 3.3 |
| .GLD | MPLAB C Compiler Linker Script File | 3.7 |
| .GLD | Ground Loop Design Work File | 3.0 |
| .GLF | Space Engine Shader File | 3.4 |
| .GLIF | Glyph Interchange Format File | 3.8 |
| .GLIFFY | Gliffy Diagram File | 2.1 |
| .GLINK | Google Drive External File Shortcut | 4.0 |
| .GLKSAVE | Zoom Game Save Package | 3.0 |
| .GLM | Ghoul 2 Model File | 2.7 |
| .GLO | RoboHelp Glossary File | 2.8 |
| .GLOBAL | Global Makefile | 4.2 |
| .GLOX | Microsoft Office SmartArt Graphics Layout File | 3.6 |
| .GLS | Babylon Glossary File | 4.0 |
| .GLS | GLScript Game Script | 1.5 |
| .GLS | Sothink SWF Easy Shape File | 1.5 |
| .GLSL | GLSL Shader File | 3.7 |
| .GLSLESF | OpenGL ES Fragment Shader | 2.5 |
| .GLTF | GL Transmission Format File | 3.9 |
| .GLV | Garmin Low-Resolution Video | 2.0 |
| .GLX | Xplorer GLX Graph | 2.0 |
| .GLY | Microsoft Word Glossary File | 2.0 |
| .GM | GameMonkey Script | 3.4 |
| .GM | Transport Tycoon Music File | 1.5 |
| .GM6 | GameMaker 6 Project File | 3.7 |
| .GM81 | Game Maker 8.1 Project File | 4.0 |
| .GM9 | GodMode9 Script | 3.5 |
| .GMA | Garry's Mod Add-on | 4.4 |
| .GMAP | Garmin Map File | 4.4 |
| .GMAP | Google My Maps Shortcut | 3.4 |
| .GMBCK | Game Maker Background Image File | 3.5 |
| .GMBL | Logger Lite Document | 3.4 |
| .GMC | Game Music Creator Sound File | 4.0 |
| .GMD | Game Maker Program Code | 1.5 |
| .GMD | GroupMail Message | 1.3 |
| .GMD | Nintendo 3DS Game Dialog File | 2.3 |
| .GMD | Geometry Dash Level | 4.2 |
| .GMD2 | Geometry Dash Level | 3.4 |
| .GME | DexDrive Game Card File | 3.8 |
| .GMF | Leadwerks Game Model File | 4.0 |
| .GMF | Geology Multi-File | 3.0 |
| .GMI | Gemtext Document | 4.0 |
| .GMK | GameMaker Project File | 3.9 |
| .GML | Geography Markup Language File | 3.7 |
| .GML | Graph Modeling Language File | 2.2 |
| .GML | GameMaker Language File | 3.9 |
| .GML | Gerber Mill Layer File | 2.6 |
| .GMM | Nintendo Game Message | 1.0 |
| .GMMOD | Game Maker 3D Model File | 3.2 |
| .GMMP | WCS Gamut Map Model Profile | 3.0 |
| .GMO | GNU Machine Object File | 3.0 |
| .GMP | Global Mapper Package File | 2.8 |
| .GMRES | GameMaker Resource File | 4.3 |
| .GMS | Garry's Mod Save File | 4.0 |
| .GMS | Gesture and Motion Signal File | 3.6 |
| .GMSPR | Game Maker Sprite File | 3.0 |
| .GMT | rFactor Model File | 3.5 |
| .GMV | Gens Game Recording | 2.3 |
| .GMW | Global Mapper Workspace File | 3.5 |
| .GMX | GameMaker File | 3.9 |
| .GMZ | Compressed GameMaker File | 3.6 |
| .GNE | Flickr Webpage | 3.7 |
| .GNM | Gnumeric Spreadsheet | 2.7 |
| .GNO | GenoPro Genealogy Tree File | 3.0 |
| .GNP | GNPeak Output File | 2.1 |
| .GNP | GenePool Save File | 1.0 |
| .GNUMAKEFILE | GNU Makefile | 3.0 |
| .GNUMERIC | Gnumeric Spreadsheet | 3.6 |
| .GNUTAR | GNU Tar Archive | 3.7 |
| .GO | Go Source Code File | 3.7 |
| .GOAT | Goat Simulator Map | 4.0 |
| .GOD | Xbox 360 Games on Demand Game | 3.0 |
| .GOD | God Configuration File | 3.0 |
| .GOD | Gore Game Data File | 2.9 |
| .GOD | Populous II Player Progress File | 3.0 |
| .GODOT | Godot Engine Project | 4.4 |
| .GOFIN | DRUKI Gofin Form File | 3.0 |
| .GOM | GOM Media File | 2.2 |
| .GOOD | Scatter Ransomware Encrypted File | 2.7 |
| .GOOMOD | World of Goo Add-on | 3.5 |
| .GORM | Gorm Interface Resource File | 3.0 |
| .GOX | Go Export Data | 3.0 |
| .GP | Guitar Pro 7 Document | 4.0 |
| .GP3 | Guitar Pro 3 Tablature | 4.1 |
| .GP4 | Guitar Pro 4 Tablature | 3.9 |
| .GP4 | CCITT Group 4 Fax File | 3.3 |
| .GP5 | Guitar Pro 5 Tablature File | 3.9 |
| .GP5 | PlayStation 5 Game Project File | 1.0 |
| .GPBANK | Guitar Pro Sound Bank File | 3.5 |
| .GPD | Generic Printer Description File | 3.7 |
| .GPD | Graphic PhotoDefiner Image File | 3.0 |
| .GPD | Gamer Profile Data File | 3.4 |
| .GPE | GP2X Video Game | 3.7 |
| .GPF | GRAVITY Ragnarok Online Patch File | 3.0 |
| .GPF | Geosoft Project File | 2.0 |
| .GPF | Gecko Patch File | 3.8 |
| .GPF | Grant Agreement Preparation Form | 1.5 |
| .GPG | GNU Privacy Guard Encrypted File | 3.9 |
| .GPI | Garmin Point of Interest File | 3.4 |
| .GPI | Gerber Photoplotter Information File | 3.8 |
| .GPJ | Grapher Project File | 2.3 |
| .GPJ | MULTI IDE Project File | 3.3 |
| .GPJ | jGRASP Project File | 2.7 |
| .GPK | WaveLab Audio Peak File | 3.6 |
| .GPKG | GeoPackage Database | 3.0 |
| .GPL | GIMP Palette | 3.7 |
| .GPN | GlidePlan Map Document | 2.5 |
| .GPP | Guitar Practiced Perfectly 2 Data File | 3.3 |
| .GPR | GenePix Results File | 3.5 |
| .GPR | GoPro RAW Image | 3.8 |
| .GPR | Babylon Glossary Builder Project File | 2.5 |
| .GPRX | Geoxa Project File | 3.5 |
| .GPS | GOM Player Skin File | 1.7 |
| .GPS | GenePix Settings File | 3.8 |
| .GPS | Survey Pro Coordinate File | 3.3 |
| .GPSCAN | GrandPerspective Scan File | 3.0 |
| .GPSYS | Generic Particle System | 1.0 |
| .GPT | Guitar Pro Template | 4.0 |
| .GPU | GP2X Utility Program | 2.5 |
| .GPX | GPS Exchange File | 3.4 |
| .GPX | Guitar Pro 6 Document | 3.3 |
| .GQSX | Microsoft Office SmartArt Styles File | 2.0 |
| .GR2 | Granny 3D File | 3.4 |
| .GRA | Microsoft Graph File | 3.6 |
| .GRADE | GradeStat Document | 3.8 |
| .GRADIENTLIBRARY | Painter Gradient Library | 3.0 |
| .GRADIENTS | Painter Gradation Library (Legacy) | 1.0 |
| .GRADLE | Gradle Script | 4.4 |
| .GRAFFLE | OmniGraffle Drawing | 2.9 |
| .GRAPH | GRAPH Hierarchical Data File | 3.0 |
| .GRAPHML | GraphML File | 3.3 |
| .GRAPHMLZ | Zip Compressed GraphML File | 2.0 |
| .GRASP | GRASP Animation | 1.3 |
| .GRB | GRIB Meteorological Data File | 3.5 |
| .GRD | Photoshop Gradient File | 3.3 |
| .GRD | Surfer Grid File | 4.4 |
| .GRDB | Gramps Database File | 3.5 |
| .GREENFOOT | Greenfoot Project Archive | 2.8 |
| .GRF | DPlot Graph File | 3.8 |
| .GRF | Ragnarok Client Archive | 4.1 |
| .GRF | CloverDX Data Transformation Graph | 3.7 |
| .GRF | Grapher Graph File | 3.6 |
| .GRF | Transport Tycoon Graphics Resource File | 4.0 |
| .GRF | Generic Graph File | 3.0 |
| .GRF | Minecraft: Legacy Console Edition Game Rule File | 3.3 |
| .GRIB | Gridded Binary File | 3.5 |
| .GRIB2 | GRIB2 Meteorological Data File | 3.5 |
| .GRIND | Juice Grinder Recipe File | 2.0 |
| .GRINDX | Juice Grinder Recipe File | 4.0 |
| .GRK | Gradekeeper Class Gradebook File | 3.3 |
| .GRL | Windows Update Status File | 2.9 |
| .GRN | Granny 3D File | 3.5 |
| .GRO | Graphic Object Bitmap | 3.3 |
| .GRO | Allegro MIDI File | 3.0 |
| .GROB | Graphic Object Bitmap File | 3.3 |
| .GROOVE | ACID Groove File | 3.0 |
| .GROOVY | Groovy Source Code File | 2.3 |
| .GROUP | Windows Contacts Group File | 3.3 |
| .GROUPPROJ | Delphi Project Group File | 2.5 |
| .GROWLREGDICT | Growl Temp File | 4.0 |
| .GROWLTICKET | Growl Notification File | 3.0 |
| .GRP | SmarterMail Group File | 4.0 |
| .GRP | Windows Program Manager Group | 3.6 |
| .GRP | StarCraft Graphics Group File | 4.2 |
| .GRP | Build Engine Group File | 4.0 |
| .GRR | Gradekeeper Class Roster File | 2.5 |
| .GRS | Gravity Sketch Sketch File | 4.0 |
| .GRT | Grapher Template | 3.5 |
| .GRV | Office Groove File | 3.5 |
| .GRV | 3D Groove Game Data Archive | 3.0 |
| .GRY | Grayscale Image | 3.5 |
| .GS | Google Apps Script | 4.0 |
| .GS | GemStone Document | 3.2 |
| .GS | Geosoft Script | 3.1 |
| .GS-BCK | Genius Scan Backup File | 3.3 |
| .GS0 | Sega Genesis Emulator Quick Slot 0 Save File | 4.1 |
| .GS3 | GameStarter File | 3.0 |
| .GSB | Golden Software Boundary File | 3.3 |
| .GSBA | Game Save Backup Archive | 3.5 |
| .GSC | Call of Duty Game Script | 4.3 |
| .GSC | 3D Groove Scene | 1.0 |
| .GSCRIPT | Google Apps Script Shortcut | 3.5 |
| .GSD | General Station Description File | 3.6 |
| .GSD | Graphtec Vector Graphics File | 3.2 |
| .GSD | GSplit Split File Piece | 3.0 |
| .GSF | Game Boy Advance Sound File | 4.0 |
| .GSFLIB | Game Boy Advance Song Library | 3.3 |
| .GSH | Wii U Shader | 3.0 |
| .GSHEET | Google Sheets Shortcut | 3.0 |
| .GSI | Golden Software Interchange File | 3.5 |
| .GSITE | Google Sites Shortcut | 3.9 |
| .GSLIDES | Google Slides Shortcut | 3.3 |
| .GSM | Global System for Mobile Audio | 4.0 |
| .GSM | MapViewer Project File | 3.8 |
| .GSM | Graphic Description Language File | 4.2 |
| .GSM | US Robotics GSM Audio File | 4.2 |
| .GSP | IMail Error Message File | 3.7 |
| .GSP | Groovy Server Page | 3.7 |
| .GSP | Geometer's Sketchpad File | 3.8 |
| .GSP | Silhouette Studio SD Card Document | 3.9 |
| .GSPROJ | GameSalad Windows Project File | 3.7 |
| .GSR | Golden Software Reference File | 3.4 |
| .GSR2 | Golden Software Reference File | 2.0 |
| .GST | MapInfo Geoset File | 3.8 |
| .GSTENCIL | OmniGraffle Stencil | 3.0 |
| .GSV | Grim Fandango Saved Game | 2.0 |
| .GSX | Sega Genesis Emulator Saved State File | 4.0 |
| .GSZIP | GameSalad Marketplace Asset File | 3.0 |
| .GT2 | Graoumf Tracker 2 Module | 2.0 |
| .GTA | Microsoft Groove Tool Archive | 4.1 |
| .GTABLE | Google Fusion Table Shortcut | 3.5 |
| .GTAR | GNU Tar Archive | 3.8 |
| .GTEMPLATE | OmniGraffle Template | 2.0 |
| .GTHR | Gather Log File | 1.8 |
| .GTKRC | GTK+ Theme File | 3.3 |
| .GTL | Gerber Top Layer Data File | 2.9 |
| .GTM | GreekToMe Translation File | 3.8 |
| .GTM | GPS TrackMaker Data File | 2.3 |
| .GTMAP | Gorilla Tag Custom Map | 2.7 |
| .GTO | Gerber Top Overlay Data File | 3.3 |
| .GTP | Guitar Pro Tablature File | 4.0 |
| .GTP | GNOME Theme Package File | 3.5 |
| .GTP | Gerber Top Solder Paste Data File | 4.4 |
| .GTS | CaptiveWorks PVR Video File | 3.5 |
| .GTS | Gerber Top Solder Mask Data File | 3.6 |
| .GTWORLD | Growtopia World File | 3.3 |
| .GTX | Wii U Texture | 3.0 |
| .GTXML | GT Designer Zip File | 3.5 |
| .GTZIP | GT Designer Zip File | 2.0 |
| .GUI | Dr.Explain Project File | 3.6 |
| .GUIDES | xScope Guides File | 3.8 |
| .GUIT | Rust Guitar Song file | 1.4 |
| .GV | Graphviz DOT File | 2.4 |
| .GVDESIGN | Gravit Designer File | 3.8 |
| .GVF | Gensys Video Format | 4.2 |
| .GVI | Google Video File | 3.2 |
| .GVIMRC | GVim Runtime Configuration File | 2.0 |
| .GVP | Google Video Pointer | 1.8 |
| .GVRS | Gridfour Virtual Raster Store Image | 2.0 |
| .GVSP | Geocortex Viewer for Silverlight Project | 3.5 |
| .GVSWATCH | Gravit Designer Swatch File | 2.0 |
| .GVY | Groovy Source Code File | 2.3 |
| .GW | GeneWeb Source File | 2.7 |
| .GWB | Interwrite Presentation File | 3.4 |
| .GWD | Galaxy Watchface Design File | 3.3 |
| .GWI | GroupWise Database Shortcut File | 2.0 |
| .GWK | GraphiCode PCB Job File | 3.5 |
| .GWP | Greetings Workshop Project File | 4.3 |
| .GWS | GeoMedia GeoWorkspace File | 3.3 |
| .GWS | Geosoft Workspace File | 2.0 |
| .GWSAVE | Inscryption Saved Game | 3.0 |
| .GX | FlashForge 3D Printing File | 2.8 |
| .GXC | General CADD Pro Component | 3.5 |
| .GXD | General CADD Pro Drawing | 3.2 |
| .GXF | General eXchange Format File | 2.9 |
| .GXF | General CADD Pro Font File | 3.4 |
| .GXH | General CADD Pro Hatch Pattern File | 2.4 |
| .GXK | Galaxkey Secured File | 4.3 |
| .GXL | Graph Exchange Language File | 4.0 |
| .GXM | General CADD Pro Macro File | 3.5 |
| .GXT | Grand Theft Auto Text File | 4.5 |
| .GXT | GIMS Graphical Text Data File | 4.2 |
| .GYM | Sega Genesis Sound File | 2.8 |
| .GZ | Gnu Zipped Archive | 3.7 |
| .GZ2 | Misnamed BZ2 File | 3.0 |
| .GZA | IZArc BGA Archive File | 4.0 |
| .GZI | Unix Gzip File | 3.0 |
| .GZIP | Gnu Zipped File | 4.2 |
| .GZQUAR | Bitdefender Antivirus Quarantine File | 2.0 |