| File extension |
File description |
Developer/Producer |
| .g |
BRL-CAD Geometry File |
BRL-CAD |
| .g3 |
CCITT Group 3 Fax Image |
CCITT |
| .g3a |
Casio Prizm Add-in File |
Casio |
| .g3d |
GOM 3D File |
GOM |
| .g3x |
RealFlight Content File |
Knife Edge Software |
| .g41 |
Commodore 1541 Disk Image |
N/A |
| .g721 |
G.721 Audio File |
N/A |
| .g723 |
G.723 Audio File |
N/A |
| .g726 |
G.726 Audio File |
N/A |
| .gadgeprj |
Gadge It Project |
Ashampoo |
| .gadget |
Windows Gadget |
Microsoft |
| .gal |
GenePix Array List File |
Molecular Devices |
| .galaxy |
Blizzard Galaxy File |
Blizzard Entertainment |
| .gallery |
SMART Notebook Gallery File |
SMART Technologies |
| .gallerycollection |
SMART Notebook Gallery Collection File |
SMART Technologies |
| .galleryitem |
SMART Notebook Gallery Item File |
SMART Technologies |
| .gam |
Saved Game File |
N/A |
| .game |
GameSalad Exported Game File |
GameSalad |
| .gamedata |
Sandlot Game Data File |
Sandlot Games |
| .gameproj |
GameSalad Project File |
GameSalad |
| .gan |
GanttProject Project File |
GanttProject |
| .gar |
GridGain Archive |
GridGain Systems |
| .gau |
Flight Simulator Gauge File |
Microsoft |
| .gb |
Game Boy ROM File |
N/A |
| .gb1 |
Game Maker Backup File |
YoYo Games |
| .gba |
Game Boy Advance ROM |
N/A |
| .gbap |
GLBasic Project File |
Dream Design Entertainment |
| .gbas |
GLBasic Source File |
Dream Design Entertainment |
| .gbc |
Game Boy Color ROM |
N/A |
| .gbi |
gBurner Project File |
gBurner Systems |
| .gbk |
GenBank Data File |
NCBI |
| .gbp |
Genie Timeline Backup Index File |
Genie-Soft |
| .gbproj |
GarageBand Project |
Apple |
| .gbr |
Gerber File |
Ucamco |
| .gbs |
GameBoy Sound File |
N/A |
| .gbx |
Nadeo Game File |
Nadeo |
| .gc |
GraphClick File |
Arizona |
| .gca |
GCA File Archive |
N/A |
| .gcd |
Generic CADD Drawing File |
General CADD Products |
| .gcdp |
Greeting Card Studio Design Project |
Software Depot Online |
| .gcf |
Game Cache File |
Valve |
| .gcg |
GCG DNA Sequence File |
N/A |
| .gci |
GameCube Save File |
Nintendo |
| .gcm |
GameCube ROM |
Nintendo |
| .gcs |
Cineform Studio Video Project |
GoPro |
| .gcsx |
Microsoft Office SmartArt Color File |
Microsoft |
| .gct |
Ocarina Cheat Code Manager File |
Ocarina Cheat Code Manager |
| .gcw |
Microsoft Mathematics Worksheet |
Microsoft |
| .gcx |
Grapher Graph File |
Apple |
| .gcz |
Compressed GameCube/Wii ROM |
N/A |
| .gdb |
InterBase Database File |
Borland |
| .gdf |
GUESS Graph Data Format File |
GUESS |
| .gdfmakerproject |
GDF Editor Project File |
Microsoft |
| .gdiagramstyle |
OmniGraffle Diagram Style File |
The Omni Groupg |
| .gdoc |
Google Drive Document |
Google |
| .gdr |
Symbian OS Font File |
N/A |
| .gdraw |
Google Drive Drawing |
Google |
| .gdrive |
Gizmo Virtual Drive File |
Arainia Solutions |
| .gds |
Graphic Data System File |
Cadence Design Systems |
| .gdw |
Jaws Unleashed Data File |
Majesco Entertainment |
| .ged |
GEDCOM Genealogy Data File |
The LDS Church |
| .gedata |
Qlucore Data File |
Qlucore |
| .gedcom |
GEDCOM Genealogy File |
N/A |
| .gem |
RubyGems Package |
Ruby |
| .gemspec |
Gem Specification File |
RubyGems |
| .gen |
Sega Genesis ROM |
N/A |
| .geo |
VRML Geography File |
N/A |
| .geojson |
GeoJSON File |
GeoJSON |
| .gexf |
Graph Exchange XML Format File |
GEXF Working Group |
| .gf |
METAFONT Bitmap File |
N/A |
| .gfb |
GIFBlast Compressed Image File |
GIFBlast |
| .gfie |
Greenfish Icon Editor Pro Graphic |
Greenfish Software |
| .gform |
Google Drive Form |
Google |
| .gfp |
GreenForce-Player Protected Media File |
GreenForce-Player |
| .gfw |
GIF World File |
N/A |
| .gg |
Google Desktop Gadget File |
Google |
| .ggb |
GeoGebra Document |
GeoGebra |
| .ggr |
GIMP Gradient File |
GIMP |
| .gho |
Norton Ghost Backup File |
Symantec |
| .ghs |
Norton Ghost Image Segment |
Symantec |
| .gi |
Global Image |
N/A |
| .gid |
Windows Help Global Index File |
Microsoft |
| .gif |
Graphical Interchange Format File |
N/A |
| .gig |
Tascam GigaSampler File |
Tascam |
| .gih |
GIMP Image Hose File |
GIMP |
| .gim |
PlayStation Portable Image File |
Sony |
| .gin |
GEMS Engine Control Unit File |
General Engine Management Systems |
| .ginspect_prj |
GOM Inspect Project File |
GOM |
| .gio |
Adagio Score |
N/A |
| .gis |
CFS Console Game Installer Settings File |
Zaplots |
| .gitignore |
Git Ignore File |
Git |
| .gjd |
The 7th Guest Media File |
Trilobyte |
| .gkh |
Ensoniq EPS Family Disk Image |
N/A |
| .gks |
Graphics Kernel System File |
International Organization for Standardization |
| .gl |
GRASP Animation |
N/A |
| .gla |
Sothink SWF Easy Project File |
SourceTec Software |
| .glade |
Glade Project File |
The Glade Project |
| .glb |
STK Globe File |
Analytical Graphics |
| .gld |
MPLAB C Compiler Linker Script File |
Microchip Technology |
| .glf |
Space Engine Shader File |
Space Engine |
| .glink |
Google Drive External File Shortcut |
Google |
| .glo |
RoboHelp Glossary File |
Adobe Systems |
| .global |
Global Makefile |
N/A |
| .glox |
Microsoft Office SmartArt Graphics Layout File |
Microsoft |
| .gls |
Babylon Glossary File |
Babylon |
| .gly |
Word Glossary File |
Microsoft |
| .gm |
GameMonkey Script |
GameMonkey Script |
| .gm6 |
Game Maker 6 Project File |
YoYo Games |
| .gm81 |
Game Maker 8.1 Project File |
YoYo Games |
| .gmap |
Garmin Map File |
Garmin |
| .gmbck |
Game Maker Background Image File |
YoYo Games |
| .gmd |
Game Maker Program Code |
N/A |
| .gme |
DexDrive Game Card File |
InterAct |
| .gmf |
Leaderwerks Game Model File |
Leaderwerks |
| .gmk |
Game Maker Project File |
YoYo Games |
| .gml |
Geography Markup Language File |
Galdos Systems |
| .gmmod |
Game Maker 3D Model File |
N/A |
| .gmmp |
WCS Gamut Map Model Profile |
Microsoft |
| .gmo |
GNU Machine Object File |
N/A |
| .gmres |
Game Maker Resource File |
YoYo Games |
| .gms |
Gesture and Motion Signal File |
GMS |
| .gmspr |
Game Maker Sprite File |
YoYo Games |
| .gmt |
rFactor Model File |
Image Space |
| .gmv |
Gens Game Recording |
Gens |
| .gne |
Flickr Web Page |
Ludicorp |
| .gno |
GenoPro Genealogy Tree File |
GenoPro |
| .gnp |
GNPeak Output File |
GNXAS |
| .gnumakefile |
GNU Makefile |
GNU |
| .gnutar |
GNU Tar Archive |
Free Software Foundation |
| .god |
God Configuration File |
Synbioz |
| .gom |
GOM Media File |
GRETECH |
| .goomod |
World of Goo Add-on |
2D Boy |
| .gorm |
Gorm Interface Resource File |
N/A |
| .gp3 |
Guitar Pro 3 File |
Arobas Music |
| .gp4 |
Guitar Pro 4 Tablature |
Arobas Music |
| .gp5 |
Guitar Pro 5 Tablature File |
Arobas Music |
| .gpbank |
Guitar Pro Sound Bank File |
Arobas Music |
| .gpd |
Generic Printer Description File |
Microsoft |
| .gpe |
GP2X Video Game |
GamePark |
| .gpf |
GRAVITY Ragnarok Online Patch File |
Gravity Interactive |
| .gpg |
GNU Privacy Guard Public Keyring |
Free Software Foundation |
| .gpi |
Garmin Point of Interest File |
Garmin |
| .gpj |
Grapher Project File |
Golden Software |
| .gpk |
WaveLab Audio Peak File |
Steinberg |
| .gpn |
GlidePlan Map Document |
N/A |
| .gpp |
Guitar Practiced Perfectly 2 Data File |
Music Practiced Perfectly |
| .gpr |
GenePix Results File |
Molecular Devices |
| .gprx |
Geoxa Project File |
Creative GIS Solutions |
| .gps |
GOM Player Skin File |
GRETECH |
| .gpu |
GP2X Utility Program |
GamePark |
| .gpx |
GPS Exchange File |
N/A |
| .gqsx |
Microsoft Office SmartArt Styles File |
Microsoft |
| .gr2 |
Granny 3D File |
RAD Game Tools |
| .gra |
Microsoft Graph File |
Microsoft |
| .grade |
GradeStat Document |
GradeStat |
| .graffle |
OmniGraffle Drawing |
The Omni Group |
| .graphml |
GraphML File |
The GraphML Team |
| .graphmlz |
Zip Compressed GraphML File |
N/A |
| .grasp |
GRASP Animation |
N/A |
| .grb |
GRIB Meteorological Data File |
World Meteorological Organization |
| .grd |
Photoshop Gradient File |
Adobe Systems |
| .grf |
DPlot Graph File |
Hydesoft Computing |
| .grib |
Gridded Binary File |
World Meteorological Organization |
| .grk |
Gradekeeper Class Gradebook File |
Gradekeeper |
| .grl |
Windows Update Status File |
Microsoft |
| .grn |
Granny 3D File |
RAD Game Tools |
| .gro |
Graphic Object Bitmap |
Hewlett-Packard |
| .grob |
Graphic Object Bitmap File |
Hewlett-Packard |
| .groove |
ACID Groove File |
Sony |
| .groovy |
Groovy Source Code File |
VMware, Inc. |
| .group |
Windows Contacts Group File |
Microsoft |
| .groupproj |
Delphi Project Group File |
Embarcadero Technologies |
| .growlregdict |
Growl Temp File |
Growl Team |
| .growlticket |
Growl Notification File |
Growl Team |
| .grp |
SmarterMail Group File |
SmarterTools |
| .grr |
Gradekeeper Class Roster File |
Gradekeeper |
| .grt |
Grapher Template |
Golden Software |
| .grv |
Office Groove File |
Microsoft |
| .gry |
Grayscale Image |
N/A |
| .gs |
Google Apps Script |
Google |
| .gs0 |
Sega Genesis Emulator Quick Slot 0 Save File |
N/A |
| .gs3 |
GameStarter File |
GameStarter |
| .gsb |
Golden Software Boundary File |
Golden Software |
| .gsc |
Call of Duty Game Script |
Activision |
| .gsd |
General Station Description File |
PROFIBUS & PROFINET International |
| .gsheet |
Google Drive Spreadsheet |
Google |
| .gsi |
Golden Software Interchange File |
Golden Software |
| .gslides |
Google Drive Presentation |
Google |
| .gsm |
Global System for Mobile Audio File |
N/A |
| .gsp |
IMail Error Message File |
Ipswitch |
| .gsproj |
GameSalad Windows Project File |
GameSalad |
| .gsr |
Golden Software Reference File |
Golden Software |
| .gsr2 |
Golden Software Reference File |
Golden Software |
| .gst |
MapInfo Geoset File |
MapInfo |
| .gstencil |
OmniGraffle Stencil |
The Omni Group |
| .gsx |
Sega Genesis Emulator Saved State File |
N/A |
| .gszip |
GameSalad Marketplace Asset File |
GameSalad |
| .gta |
Microsoft Groove Tool Archive |
Microsoft |
| .gtable |
Google Drive Fusion Table |
Google |
| .gtar |
GNU Tar Archive |
Free Software Foundation |
| .gtemplate |
OmniGraffle Template |
The Omni Group |
| .gthr |
Gather Log File |
Microsoft |
| .gtkrc |
GTK+ Theme File |
The GTK+ Project |
| .gtm |
GreekToMe Translation File |
Charles H. King |
| .gtp |
Guitar Pro File |
Arobas Music |
| .gts |
CaptiveWorks PVR Video File |
CaptiveWorks |
| .gui |
Dr.Explain Project File |
Indigo Byte Systems |
| .guides |
xScope Guides File |
The Iconfactory |
| .gv |
Graphviz DOT File |
AT&T |
| .gvi |
Google Video File |
Google |
| .gvimrc |
GVim Runtime Configuration File |
gVim |
| .gvp |
Google Video Pointer |
Google |
| .gvy |
Groovy Source Code File |
VMware, Inc. |
| .gwi |
GroupWise Database Shortcut File |
Novell |
| .gwk |
GraphiCode PCB Job File |
GraphiCode |
| .gwp |
Greetings Workshop Project File |
Microsoft |
| .gws |
GeoMedia GeoWorkspace File |
Intergraph |
| .gxc |
General CADD Pro Component |
General CADD Products |
| .gxd |
General CADD Pro Drawing |
General CADD Products |
| .gxf |
General CADD Pro Font File |
General CADD Products |
| .gxh |
General CADD Pro Hatch Pattern File |
General CADD Products |
| .gxk |
Galaxkey Secured File |
Galaxkey |
| .gxl |
Graph Exchange Language File |
R. C. Holt |
| .gxm |
General CADD Pro Macro File |
General CADD Products |
| .gxt |
Grand Theft Auto Text File |
Rockstar Games |
| .gz |
Gnu Zipped Archive |
The GNU Project |
| .gz2 |
Misnamed BZ2 File |
N/A |
| .gza |
IZArc BGA Archive File |
N/A |
| .gzi |
Unix Gzip File |
N/A |
| .gzip |
Gnu Zipped File |
N/A |
