List in alphabetic order - G
- G Corel Paradox Format
- G00 Clannad Picture Image
- G01 HEC-RAS Geometry Format
- G03 HEC-RAS Geometry
- G1 Gerber Inner Routing Layer 1
- G10 Garmin GPS Map
- G12 CAMtastic Mid Layer 12 Gerber Data
- G13 CAMtastic Mid Layer 13 Gerber Data
- G14 CAMtastic Mid Layer 14 Gerber Data
- G15 CAMtastic Mid Layer 15 Gerber Data
- G2 Gerber Inner Routing Layer 2
- G3 CCITT Group 3 Fax Image
- G3A Casio Prizm Add-in Format
- G3D GOM 3D Format
- G3F Zetafax Fax
- G3N Imaging Fax Image
- G3P Casio Prizm Picture Image
- G3X RealFlight Content Format
- G4 GTX RasterCAD
- G41 Commodore 1541 Disk Image
- G4B Sokoban++ Level
- G5 CAMtastic Mid Layer Gerber Data
- G64 C64 Emulator Disk Image
- G721 G.721 Audio Format
- G723 G.723 Audio Format
- G723-3 Raw CCITT/ITU G.723 3-bit ADPCM Sound
- G723-5 Raw CCITT/ITU G.723 5-bit ADPCM Sound
- G726 G.726 Audio Format
- G726-2 G726-2 - Raw CCITT/ITU G.726 2-bit ADPCM Sound
- G726-3 G726-3 - Raw CCITT/ITU G.726 3-bit ADPCM Sound Format
- G726-4 G726-4 - Raw CCITT/ITU G.726 4-bit ADPCM Sound Format
- G726-5 G726-5 - Raw CCITT/ITU G.726 5-bit ADPCM Sound
- GA3 Graphical Analysis Document
- GAB Dencom Global Address Book Export
- GAC Groove
- GAD Geodict
- GADGEPRJ Gadge It Project
- GADGET Windows Gadget
- GAF Total Annihilation Animated Bitmap Format
- GAI Adobe SING Glyphlet Manager
- GAL GenePix Array List Format
- GALAXY Blizzard Galaxy Format
- GALLERY SMART Notebook Gallery Format
- GALLERYCOLLECTION SMART Notebook Gallery Collection Format
- GALLERYITEM SMART Notebook Gallery Item Format
- GAM Saved Game Format
- GAMBAS Gambas Application
- GAME GameSalad Exported Game Format
- GAMEDATA Sandlot Game Data Format
- GAMEPROJ GameSalad Project Format
- GAN GanttProject Project Format
- GAP PhotoImpact Pencil Style
- GAR GridGain Archive
- GAS Grab-a-Site Project
- GAU Flight Simulator Gauge Format
- GAX Age Of Empires II Save Game
- GB Game Boy ROM Format
- GB1 Game Maker Backup Format
- GBA Game Boy Advance ROM
- GBAP GLBasic Project Format
- GBAS GLBasic Source Format
- GBASKIN GBA4iOS Controller Skin
- GBC Game Boy Color ROM
- GBCK Glary Utilities Backup
- GBCSKIN GBA4iOS Controller Skin
- GBD Great Budget Budget Definition
- GBF Great Budget Fringe Definition
- GBH GigaBar Scheme
- GBI GBurner Project Format
- GBK Delphi Runimage Iblocal Examples Format
- GBL Microsoft Visual Basic Global Definition
- GBLORB Interactive Fiction
- GBM Genie Backup Manager Archive
- GBO Gerber Bottom Overlay (silk Screen)
- GBP Gerber Bottom Paste Mask Output Format
- GBPROJ GarageBand Project
- GBR GIMP Brush Image Format
- GBS GameBoy Sound Format
- GBT Adobe Photoshop Format
- GBX Nadeo Game Format
- GBXML Green Building XML
- GC GraphClick Format
- GC3 Golden Common Lisp Source Code
- GCA GCA Format Archive
- GCA3 GURPS Character Assistant
- GCA4 GURPS Character Assistant
- GCA4BASE GURPS Character Assistant
- GCA4PARTY GURPS Character Assistant
- GCCV PageMaker Filter
- GCD Prassi CD Disk Image Format
- GCDA GCC Gcov Profiling
- GCDP Greeting Card Studio Design Project
- GCF Game Cache Format
- GCG GCG DNA Sequence Format
- GCH C++ Precompiled Header
- GCI Grand Theft Auto 2 Game Format
- GCM GameCube ROM
- GCNO GCC Gcov Profiling
- GCO Genbox Family History Chart Options
- GCODE G-code Source
- GCP Spectramap Group Properties
- GCRD GnomeCard VCard
- GCS Cineform Studio Video Project
- GCSX Microsoft Office SmartArt Color Format
- GCT Ocarina Cheat Code Manager Format
- GCW Microsoft Mathematics Worksheet
- GCX Grapher Graph Format
- GCZ Compressed GameCube/Wii ROM
- GD GD Library Picture Image
- GDA Unix Manual Page Guide
- GDB InterBase Database Format
- GDBINDEXES ArcGIS Geodatabase Index
- GDBTABLE ArcGIS Geodatabase
- GDBTABLX ArcGIS Geodatabase
- GDC Iconics GraphWorx32
- GDD Gerber Drill Drawing Data
- GDE GlobalQSL Graphic Editor
- GDF GUESS Graph Data Format
- GDFMAKERPROJECT GDF Editor Project Format
- GDH SmartWare High-low Graph
- GDI Generic Download Install
- GDIAGRAMSTYLE OmniGraffle Diagram Style Format
- GDL ArchiCAD Geometric Description Language Data
- GDM Bells, Whistles, And Sound Boards Module
- GDN SmartWare Graph Definition
- GDOC Google Drive Document
- GDP Scrolling Game Development Kit Project
- GDQ SmartWare Quick Graph
- GDR Symbian OS Font Format
- GDRAW Google Drive Drawing
- GDRIVE Gizmo Virtual Drive Format
- GDS Graphic Data System Format
- GDSP Astound
- GDT Guitar & Drum Trainer Song Configuration
- GDV SmartWare Graphics Screen Driver
- GDW Jaws Unleashed Data Format
- GDX GAMS Result
- GDYN GIMP Pressure Curves Output
- GDZ Genbox Family History Data Initialization
- GE2 Maya 4 GE2 Exporter
- GE3 Mastercam Geometry
- GE6 WinFamily 6 Genealogy
- GEA Fifa World Cup Game Data
- GEB Dr. Hardware
- GED GEDCOM Genealogy Data Format
- GEDATA Qlucore Data Format
- GEDCOM GEDCOM Genealogy Format
- GEL Molecular Dynamics Image
- GEM GEM Vector Picture Format
- GEMFILE Ruby RubyGems
- GEMSPEC Gem Specification Format
- GEN Sega Genesis ROM
- GENERICTEST Microsoft Visual Studio Generic Test
- GENMODEL Eclipse IDE Domain Gen Model
- GEO VRML Geography Format
- GEOJSON GeoJSON Format
- GEP GeneXproTools Data
- GEPRINT Google Earth Pro Map Setting
- GER German Text/html Info
- GES PINGO GrADS Description
- GET Pov-Ray For Windows 3.x
- GETRIGHT GetRight Unfinished Download
- GEXF Graph Exchange XML Format
- GF METAFONT Bitmap Format
- GFA GFA-BASIC Tokenized Source
- GFAR Greenfoot JAVA Archive
- GFB GIFBlast Compressed Image Format
- GFC Patton&Patton Flow Charting 4 Flowchart
- GFD GeForms
- GFF SignalMap Gene-Finding Format (GFF) Data
- GFIE Greenfish Icon Editor Pro Graphic
- GFL GeForms
- GFORM Google Drive Form
- GFP GreenForce-Player Protected Media Format
- GFS Microsoft SharePoint WorkSpace Groove Remote
- GFT NeoPaint Font
- GFW GIF World Format
- GFX Genigraphics Graphics Link Presentation
- GG Google Desktop Gadget Format
- GGB GeoGebra Document
- GGD GASTAR Output
- GGF GPS Pathfinder Office Geoid Grid
- GGG Green Globs & Graphing Equations Game Record
- GGI GGI
- GGM Green Globs & Graphing Equations Saved State
- GGP GemCom Graphic Format
- GGPK Grinding Gears Package
- GGR GIMP Gradient Format
- GGS Gameboy Emulator
- GGT GeoGebra User-defined Tool
- GGZ Garena Skin
- GHC Visual Basic Constant Map
- GHD Geonaute Keymaze Tracklog
- GHO Norton Ghost Backup Format
- GHS Norton Ghost Image Segment
- GHT Ghost Project
- GHX Grasshopper
- GI Global Image
- GI! GigaSampler/GigaStudio Split
- GIC BioWare Aurora Engine Area
- GID Windows Help Global Index Format
- GIF Graphical Interchange Format
- GIF2 Netobjects Fusion Styles Lines
- GIF89A GIF 89a Image
- GIFENX Egis Encrypted GIF
- GIFF CompuServe Bitmap Image(Graphics Interchange Format)
- GIG Tascam GigaSampler Format
- GIH GIMP Image Hose Format
- GIM PlayStation Portable Image Format
- GIN GEMS Engine Control Unit Format
- GINSPECT_PRJ GOM Inspect Project Format
- GIO Adagio Score
- GIP Ghost Installer Package
- GIR Gens Plus! Movie
- GIS CFS Console Game Installer Settings Format
- GIT Git Repository
- GITATTRIBUTES Pro Git Attribute
- GITIGNORE Git Ignore Format
- GITKEEP Gitkeep
- GJD The 7th Guest Media Format
- GJF Gaussian Input Data
- GKF GAUSS Engine License
- GKH Ensoniq EPS Family Disk Image
- GKO Gerber Keep Out Layer
- GKP GameKeyboard
- GKS Graphics Kernel System Format
- GL GRASP Animation
- GL2 HP Graphics Language Plotter
- GLA Sothink SWF Easy Project Format
- GLAD GenePattern GLAD
- GLADE Glade Project Format
- GLB STK Globe Format
- GLC IGIS Data
- GLD MPLAB C Compiler Linker Script Format
- GLF Space Engine Shader Format
- GLIF Glyph Interchange Format
- GLINK Google Drive External Format Shortcut
- GLK Microsoft SharePoint WorkSpace Groove Shortcut
- GLL EASE SpeakerLab Compiled Text
- GLM DInsight Modeling Studio 3D CAM Model
- GLO RoboHelp Glossary Format
- GLOBAL Global Makefile
- GLOS Microsoft Word For Mac Glossary
- GLOX Microsoft Office SmartArt Graphics Layout Format
- GLP NaviEdit Geoconsult Long Profile
- GLS Babylon Glossary Format
- GLU Cyberglue
- GLUE GlueMon Audio
- GLUT OpenGL GLUT
- GLUT2 OpenGL Glut-3.6
- GLUT3 OpenGL GLUT
- GLX DataStudio Experiment
- GLY Word Glossary Format
- GLZ Crossword Power Tools Crossword Library
- GM GameMonkey Script
- GM1 Heroes Of Might & Magic 3 Saved Game
- GM2 Heroes Of Might & Magic III Saved Game
- GM3 Heroes Of Might & Magic III Saved Game
- GM4 Autologic Bitmap Image
- GM6 Game Maker 6 Project Format
- GM81 Game Maker 8.1 Project Format
- GMANIFEST Google Desktop Gadget Control
- GMAP Garmin Map Format
- GMBCK Game Maker Background Image Format
- GMC Global Mapper Catalog
- GMD Game Maker Program Code
- GME DexDrive Game Card Format
- GMF Leaderwerks Game Model Format
- GMI GPS Tuner Map Calibration Data
- GMK Game Maker Project Format
- GML Geography Markup Language Format
- GMM Global Mobile Media
- GMMOD Game Maker 3D Model Format
- GMMP WCS Gamut Map Model Profile
- GMO GNU Machine Object Format
- GMP Geomorph Tile Map
- GMR Game Maker Compiled Game
- GMRES Game Maker Resource Format
- GMS Gesture And Motion Signal Format
- GMSPR Game Maker Sprite Format
- GMT Global Mobile Television Multimedia Format
- GMV Gens Game Recording
- GMW Global Mapper Workspace
- GMX GroupMail Message
- GMZ GameMaker Complete Source
- GNC Great Notions Embroidery
- GND Geography Network Document
- GNE Flickr Web Page
- GNM GNM Output Music
- GNO GenoPro Genealogy Tree Format
- GNP GNPeak Output Format
- GNS Sound Health Abacus Genesis
- GNT Micro Focus COBOL Generated Code
- GNUMAKEFILE GNU Makefile
- GNUTAR GNU Tar Archive
- GO Google Go Programming Language Source Code
- GO! Go!Zilla Unfinished Download
- GOA SpiceCAD
- GOB LucasArts Game Resource
- GOC GEOS GOC Source Code
- GOD God Configuration Format
- GOF GameExchange Raw Object Definition
- GOFIN Druki Gofin Document
- GOG Drumagog Sample
- GOLD Gnome Desktop
- GOM GOM Media Format
- GOOMOD World Of Goo Add-on
- GOR Myth: The Fallen Lords Game Data
- GORM Gorm Interface Resource Format
- GOX The Games Factory Extension
- GP Guitar Pro
- GP1 Street Atlas GPS Log
- GP2 Gerber Inner Plane 2 (negative)
- GP3 Guitar Pro 3 Format
- GP4 Guitar Pro 4 Tablature
- GP5 Guitar Pro 5 Tablature Format
- GPB Gerber Bottom Pad Master
- GPBANK Guitar Pro Sound Bank Format
- GPC Genie Backup Manager Plugin
- GPD Generic Printer Description Format
- GPE GP2X Video Game
- GPF GRAVITY Ragnarok Online Patch Format
- GPG GNU Privacy Guard Public Keyring
- GPH Lotus 1-2-3 Graph
- GPI Garmin Point Of Interest Format
- GPJ GINT Project Format
- GPK GEOS Compressed Omnigo Format Archive
- GPL GNU Public Licence Text
- GPM Ragnarok Online Update
- GPN GlidePlan Map Document
- GPP Guitar Practiced Perfectly 2 Data Format
- GPR GenePix Results Format
- GPRJ Gearotic Motion Project
- GPRX Geoxa Project Format
- GPS GOM Player Skin Format
- GPT Gerber Top Pad Master
- GPU GP2X Utility Program
- GPW Autodesk AutoCAD Civil 3D Hydraflow Hydrographs Extension
- GPX GPS Exchange Format
- GPZ IBM DB2 Document Manager Document History
- GQF GrafEq Data
- GQS GrafEq Data
- GQSX Microsoft Office SmartArt Styles Format
- GR2 Granny 3D Format
- GR4 Pathloss Sharing
- GRA Microsoft Graph Format
- GRADE GradeStat Document
- GRADS PINGO GrADS Data
- GRAFFLE OmniGraffle Drawing
- GRAPHML GraphML Format
- GRAPHMLZ Zip Compressed GraphML Format
- GRASP GRASP Animation
- GRAY RAW Gray Samples Bitmap Image
- GRB GRIB Meteorological Data Format
- GRBDROPFILE GetRight
- GRC Affymetrix Grid Control
- GRD Photoshop Gradient Format
- GRDECL Eclipse Specific
- GREENFOOT Greenfoot Project
- GREY Raw Image Format
- GRF DPlot Graph Format
- GRG GreatFamily Graphic Gallery
- GRI Petrosys Grid
- GRIB Gridded Binary Format
- GRID GridMove Grid Settings
- GRK Gradekeeper Class Gradebook Format
- GRL Windows Update Status Format
- GRLE Farming Simulator Save Game
- GRM NovaLogic Game Facial Expressions
- GRN Granny 3D Format
- GRO Graphic Object Bitmap
- GROB Graphic Object Bitmap Format
- GROOVE ACID Groove Format
- GROOVY Groovy Source Code Format
- GROUP Windows Contacts Group Format
- GROUPPROJ Delphi Project Group Format
- GROUPS WM Keeper CLASSIC Group
- GROWLREGDICT Growl Temp Format
- GROWLSTYLE Growl WebKit Style
- GROWLTICKET Growl Notification Format
- GROWLVIEW Growl Display Plugin
- GRP SmarterMail Group Format
- GRR Gradekeeper Class Roster Format
- GRS GetRight Skin
- GRT Grapher Template
- GRU Geist Preset
- GRV Office Groove Format
- GRW SeeYou Waypoint
- GRX GetRight Format List
- GRXML Grammar
- GRY Grayscale Image
- GS Google Apps Script
- GS0 Sega Genesis Emulator Quick Slot 0 Save Format
- GS1 Genecyst Save State 1
- GS3 GameStarter Format
- GS4 Genecyst Saved State Slot 4
- GSA Microsoft SharePoint WorkSpace Groove Working Space Archive Or Template
- GSB Golden Software Boundary Format
- GSBA GameSave Manager Save Backup
- GSC Call Of Duty Game Script
- GSCRIPT Link To Google Scripts Web Application Script
- GSCX Microsoft Office Diagram
- GSD General Station Description Format
- GSDU GameSave Manager Database Update
- GSE GeneSys Export
- GSF Ghostscript Fonts
- GSFLIB Game Boy Advance Song Library
- GSHEET Google Drive Spreadsheet
- GSI Golden Software Interchange Format
- GSL GoodSync Job List
- GSLIDES Google Drive Presentation
- GSM Global System For Mobile Audio Format
- GSP IMail Error Message Format
- GSPROJ GameSalad Windows Project Format
- GSR Golden Software Reference Format
- GSR2 Golden Software Reference Format
- GSS Multi Game Memory Editor Memory Snapshot
- GST MapInfo Geoset Format
- GSTENCIL OmniGraffle Stencil
- GSVR Ghostscript
- GSX Sega Genesis Emulator Saved State Format
- GSYM ArchiCAD For MAC Geometric Description Language
- GSZ GeoStudio Project
- GSZIP GameSalad Marketplace Asset Format
- GT Gold Thread Embroidery Format
- GT2 Graoumf Tracker Music Module (MOD)
- GTA Microsoft Groove Tool Archive
- GTABLE Google Drive Fusion Table
- GTAR GNU Tar Archive
- GTC Graitec Exchange Format
- GTE GigaTrust Protected
- GTEMPLATE OmniGraffle Template
- GTH Bibexcel
- GTHR Gather Log Format
- GTI STRUDL Input
- GTKRC GTK+ Theme Format
- GTL Gerber Top Layer
- GTM GreekToMe Translation Format
- GTO Quicken Online Data
- GTP Guitar Pro Format
- GTS CaptiveWorks PVR Video Format
- GTX Genetica Seamless Texture Format
- GUI Dr.Explain Project Format
- GUIDE AmigaGuide Hypertext
- GUIDES XScope Guides Format
- GUL JungUm Global Viewer Korean Language
- GUS Universal Score Poster Script
- GV Graphviz DOT Format
- GVG Kompass Map
- GVI Google Video Format
- GVIMRC GVim Runtime Configuration Format
- GVM Phantasy Star Online
- GVN GeoVisu Navigation Data
- GVP Google Video Pointer
- GVR GeoVisu Routes
- GVT GeoVisu Tracklogs
- GVW GeoVisu Waypoints
- GVY Groovy Source Code Format
- GW SWAT Groundwater Input
- GWB GenStat Book
- GWF Benthic Golden
- GWI GroupWise Database Shortcut Format
- GWK GraphiCode PCB Job Format
- GWL Nanoscribe General Writing Language
- GWP Greetings Workshop Project Format
- GWS GeoMedia GeoWorkspace Format
- GWT SpaceStat Generalized Weights Format
- GWV Groundwater Vistas Packaged Model
- GX2 Generic Cadd
- GXA General CADD Attribute Data
- GXC General CADD Pro Component
- GXD General CADD Pro Drawing
- GXF General CADD Pro Font Format
- GXH General CADD Pro Hatch Pattern Format
- GXK Galaxkey Secured Format
- GXL Graph Exchange Language Format
- GXM General CADD Pro Macro Format
- GXR GeneXus Report
- GXT Grand Theft Auto Text Format
- GXW GRASS GIS Workspace Layout Definition
- GYM Sega Genesis/Mega Drive Music Logged
- GYP Google Chromium GYP Input Configuration
- GYPI Chrome/Chromium Include
- GZ Gnu Zipped Archive
- GZ1 Orgadata LogiKal
- GZ2 Misnamed BZ2 Format
- GZA IZArc BGA Archive Format
- GZF Webcopier
- GZI Unix Gzip Format
- GZIP Gnu Zipped Format
- GZL Go!Zillalist
- GZP Giants Citizen Kabuto Game
- GZQUAR BitDefender Quarantine
- GZR GunZ