File extension	The full name of the file	Popularity
File extension G	Corel Paradox file
File extension G3	CCITT Group 3 Fax Image
File extension G3A	Casio Prizm Add-in File
File extension G3D	GOM 3D File
File extension G3X	RealFlight Content File
File extension G41	Commodore 1541 Disk Image
File extension G721	G.721 Audio File
File extension G723	G.723 Audio File
File extension G726	G.726 Audio File
File extension GADGEPRJ	Gadge It Project
File extension GADGET	Windows Gadget
File extension GAL	GenePix Array List File
File extension GALAXY	Blizzard Galaxy File
File extension GALLERY	SMART Notebook Gallery File
File extension GALLERYCOLLECTION	SMART Notebook Gallery Collection File
File extension GALLERYITEM	SMART Notebook Gallery Item File
File extension GAM	Saved Game File
File extension GAME	GameSalad Exported Game File
File extension GAMEDATA	Sandlot Game Data File
File extension GAMEPROJ	GameSalad Project File
File extension GAN	GanttProject Project File
File extension GAR	GridGain Archive
File extension GAU	Flight Simulator Gauge File
File extension GB	Game Boy ROM File
File extension GB1	Game Maker Backup File
File extension GBA	Game Boy Advance ROM
File extension GBAP	GLBasic Project File
File extension GBAS	GLBasic Source File
File extension GBC	Game Boy Color ROM
File extension GBI	gBurner Project File
File extension GBK	Delphi runimage iblocal examples file
File extension GBP	Gerber Bottom Paste Mask output format file
File extension GBPROJ	GarageBand Project
File extension GBR	GIMP brush image file
File extension GBS	GameBoy Sound File
File extension GBX	Nadeo Game File
File extension GC	GraphClick File
File extension GCA	GCA File Archive
File extension GCD	Prassi CD disk image file
File extension GCDP	Greeting Card Studio Design Project
File extension GCF	Game Cache File
File extension GCG	GCG DNA Sequence File
File extension GCI	Grand Theft Auto 2 game file
File extension GCM	GameCube ROM
File extension GCS	Cineform Studio Video Project
File extension GCSX	Microsoft Office SmartArt Color File
File extension GCT	Ocarina Cheat Code Manager File
File extension GCW	Microsoft Mathematics Worksheet
File extension GCX	Grapher Graph File
File extension GCZ	Compressed GameCube/Wii ROM
File extension GDB	InterBase Database File
File extension GDF	GUESS Graph Data Format File
File extension GDFMAKERPROJECT	GDF Editor Project File
File extension GDIAGRAMSTYLE	OmniGraffle Diagram Style File
File extension GDOC	Google Drive Document
File extension GDR	Symbian OS Font File
File extension GDRAW	Google Drive Drawing
File extension GDRIVE	Gizmo Virtual Drive File
File extension GDS	Graphic Data System File
File extension GDW	Jaws Unleashed Data File
File extension GED	GEDCOM Genealogy Data File
File extension GEDATA	Qlucore Data File
File extension GEDCOM	GEDCOM Genealogy File
File extension GEM	GEM vector picture file
File extension GEMSPEC	Gem Specification File
File extension GEN	Sega Genesis ROM
File extension GEO	VRML Geography File
File extension GEOJSON	GeoJSON File
File extension GEXF	Graph Exchange XML Format File
File extension GF	METAFONT Bitmap File
File extension GFB	GIFBlast Compressed Image File
File extension GFIE	Greenfish Icon Editor Pro Graphic
File extension GFORM	Google Drive Form
File extension GFP	GreenForce-Player Protected Media File
File extension GFW	GIF World File
File extension GG	Google Desktop Gadget File
File extension GGB	GeoGebra Document
File extension GGR	GIMP Gradient File
File extension GHO	Norton Ghost Backup File
File extension GHS	Norton Ghost Image Segment
File extension GI	Global Image
File extension GID	Windows Help Global Index File
File extension GIF	Graphical Interchange Format File
File extension GIG	Tascam GigaSampler File
File extension GIH	GIMP Image Hose File
File extension GIM	PlayStation Portable Image File
File extension GIN	GEMS Engine Control Unit File
File extension GINSPECT_PRJ	GOM Inspect Project File
File extension GIO	Adagio Score
File extension GIS	CFS Console Game Installer Settings File
File extension GITIGNORE	Git Ignore File
File extension GJD	The 7th Guest Media File
File extension GKH	Ensoniq EPS Family Disk Image
File extension GKS	Graphics Kernel System File
File extension GL	GRASP Animation
File extension GLA	Sothink SWF Easy Project File
File extension GLADE	Glade Project File
File extension GLB	STK Globe File
File extension GLD	MPLAB C Compiler Linker Script File
File extension GLF	Space Engine Shader File
File extension GLINK	Google Drive External File Shortcut
File extension GLO	RoboHelp Glossary File
File extension GLOBAL	Global Makefile
File extension GLOX	Microsoft Office SmartArt Graphics Layout File
File extension GLS	Babylon Glossary File
File extension GLY	Word Glossary File
File extension GM	GameMonkey Script
File extension GM6	Game Maker 6 Project File
File extension GM81	Game Maker 8.1 Project File
File extension GMAP	Garmin Map File
File extension GMBCK	Game Maker Background Image File
File extension GMD	Game Maker Program Code
File extension GME	DexDrive Game Card File
File extension GMF	Leaderwerks Game Model File
File extension GMK	Game Maker Project File
File extension GML	Geography Markup Language File
File extension GMMOD	Game Maker 3D Model File
File extension GMMP	WCS Gamut Map Model Profile
File extension GMO	GNU Machine Object File
File extension GMRES	Game Maker Resource File
File extension GMS	Gesture and Motion Signal File
File extension GMSPR	Game Maker Sprite File
File extension GMT	Global Mobile Television multimedia file
File extension GMV	Gens Game Recording
File extension GNE	Flickr Web Page
File extension GNO	GenoPro Genealogy Tree File
File extension GNP	GNPeak Output File
File extension GNUMAKEFILE	GNU Makefile
File extension GNUTAR	GNU Tar Archive
File extension GOD	God Configuration File
File extension GOM	GOM Media File
File extension GOOMOD	World of Goo Add-on
File extension GORM	Gorm Interface Resource File
File extension GP3	Guitar Pro 3 File
File extension GP4	Guitar Pro 4 Tablature
File extension GP5	Guitar Pro 5 Tablature File
File extension GPBANK	Guitar Pro Sound Bank File
File extension GPD	Generic Printer Description File
File extension GPE	GP2X Video Game
File extension GPF	GRAVITY Ragnarok Online Patch File
File extension GPG	GNU Privacy Guard Public Keyring
File extension GPI	Garmin Point of Interest File
File extension GPJ	gINT project file
File extension GPK	GEOS Compressed Omnigo file archive
File extension GPN	GlidePlan Map Document
File extension GPP	Guitar Practiced Perfectly 2 Data File
File extension GPR	GenePix Results File
File extension GPRX	Geoxa Project File
File extension GPS	GOM Player Skin File
File extension GPU	GP2X Utility Program
File extension GPX	GPS Exchange File
File extension GQSX	Microsoft Office SmartArt Styles File
File extension GR2	Granny 3D File
File extension GRA	Microsoft Graph File
File extension GRADE	GradeStat Document
File extension GRAFFLE	OmniGraffle Drawing
File extension GRAPHML	GraphML File
File extension GRAPHMLZ	Zip Compressed GraphML File
File extension GRASP	GRASP Animation
File extension GRB	GRIB Meteorological Data File
File extension GRD	Photoshop Gradient File
File extension GRF	DPlot Graph File
File extension GRIB	Gridded Binary File
File extension GRK	Gradekeeper Class Gradebook File
File extension GRL	Windows Update Status File
File extension GRN	Granny 3D File
File extension GRO	Graphic Object Bitmap
File extension GROB	Graphic Object Bitmap File
File extension GROOVE	ACID Groove File
File extension GROOVY	Groovy Source Code File
File extension GROUP	Windows Contacts Group File
File extension GROUPPROJ	Delphi Project Group File
File extension GROWLREGDICT	Growl Temp File
File extension GROWLTICKET	Growl Notification File
File extension GRP	SmarterMail Group File
File extension GRR	Gradekeeper Class Roster File
File extension GRT	Grapher Template
File extension GRV	Office Groove File
File extension GRY	Grayscale Image
File extension GS	Google Apps Script
File extension GS0	Sega Genesis Emulator Quick Slot 0 Save File
File extension GS3	GameStarter File
File extension GSB	Golden Software Boundary File
File extension GSC	Call of Duty Game Script
File extension GSD	General Station Description File
File extension GSHEET	Google Drive Spreadsheet
File extension GSI	Golden Software Interchange File
File extension GSLIDES	Google Drive Presentation
File extension GSM	Global System for Mobile Audio File
File extension GSP	IMail Error Message File
File extension GSPROJ	GameSalad Windows Project File
File extension GSR	Golden Software Reference File
File extension GSR2	Golden Software Reference File
File extension GST	MapInfo Geoset File
File extension GSTENCIL	OmniGraffle Stencil
File extension GSX	Sega Genesis Emulator Saved State File
File extension GSZIP	GameSalad Marketplace Asset File
File extension GTA	Microsoft Groove Tool Archive
File extension GTABLE	Google Drive Fusion Table
File extension GTAR	GNU Tar Archive
File extension GTEMPLATE	OmniGraffle Template
File extension GTHR	Gather Log File
File extension GTKRC	GTK+ Theme File
File extension GTM	GreekToMe Translation File
File extension GTP	Guitar Pro File
File extension GTS	CaptiveWorks PVR Video File
File extension GUI	Dr.Explain Project File
File extension GUIDES	xScope Guides File
File extension GV	Graphviz DOT File
File extension GVI	Google Video File
File extension GVIMRC	GVim Runtime Configuration File
File extension GVP	Google Video Pointer
File extension GVY	Groovy Source Code File
File extension GWI	GroupWise Database Shortcut File
File extension GWK	GraphiCode PCB Job File
File extension GWP	Greetings Workshop Project File
File extension GWS	GeoMedia GeoWorkspace File
File extension GXC	General CADD Pro Component
File extension GXD	General CADD Pro Drawing
File extension GXF	General CADD Pro Font File
File extension GXH	General CADD Pro Hatch Pattern File
File extension GXK	Galaxkey Secured File
File extension GXL	Graph Exchange Language File
File extension GXM	General CADD Pro Macro File
File extension GXT	Grand Theft Auto Text File
File extension GZ	Gnu Zipped Archive
File extension GZ2	Misnamed BZ2 File
File extension GZA	IZArc BGA Archive File
File extension GZI	Unix Gzip File
File extension GZIP	Gnu Zipped File