Alphabetic File Extension List

The file extension list you requested is shown on this page. It loads as a table so please give it a moment as some of the lists are quite long. These lists contain basic information: the extension, the name of the program it works with, the specific function of the file, and the company that makes the program. Not all extensions have all of the data. Click on the extension of interest to see the detail page for that extension. Total extensions in this particular list: 843.

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Extension Information
G Gravity News Database
G Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
G Ashton Tate Applause Chart
G Cliq Accessories Datebook Schedule Group
G Paradox File
G ANTLR Options File (Terence Parr and Colleagues)
G BRL-CAD Geometry File [Native BRL-CAD Format] (BRL-CAD Development Team and US Army)
G Garabatos Genome File
G++ Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
G01 HEC-RAS Geometry File (U.S. Army Corps of Engineers)
G01 MicroSim PCBoard Photoplot Artwork File (Cadence)
G02 HEC-RAS Geometry File (U.S. Army Corps of Engineers)
G02 MicroSim PCBoard Photoplot Artwork File (Cadence)
G03 HEC-RAS Geometry File (U.S. Army Corps of Engineers)
G03 MicroSim PCBoard Photoplot Artwork File (Cadence)
G04 HEC-RAS Geometry File (U.S. Army Corps of Engineers)
G04 MicroSim PCBoard Photoplot Artwork File (Cadence)
G05 HEC-RAS Geometry File (U.S. Army Corps of Engineers)
G05 MicroSim PCBoard Photoplot Artwork File (Cadence)
G06 MicroSim PCBoard Photoplot Artwork File (Cadence)
G07 MicroSim PCBoard Photoplot Artwork File (Cadence)
G08 MicroSim PCBoard Photoplot Artwork File (Cadence)
G09 MicroSim PCBoard Photoplot Artwork File (Cadence)
G10 Garmin GPS Map File (Garmin Ltd.)
G10 MicroSim PCBoard Photoplot Artwork File (Cadence)
G16 GoldED / DOS Compiled Configuration
G18 Recomposer MIDI Sequencer Music File
G1A Casio Model 9860 Add-in (Casio Computer Co., Ltd.)
G1E Casio Model 9860 eActivity (Casio Computer Co., Ltd.)
G1L Casio Model 9860 File (Casio Computer Co., Ltd.)
G1M Casio Model 9860 BASIC Program (Casio Computer Co., Ltd.)
G1N Casio Model 9860 File (Casio Computer Co., Ltd.)
G1R Casio Model 9860 Image File (Casio Computer Co., Ltd.)
G2A GoToAssist Session File (Citrix Online, LLC.)
G3 G3 FAX File
G32 GFA BASIC 32 Program File
G32 PaperPort Application Link File (32-bit) (ScanSoft Inc.)
G36 Recomposer MIDI Sequencer Music File
G3D GenDesigner 3.x Genealogy Database
G3F Zetafax Fine Resolution TIFF File (Equisys)
G3N Zetafax Normal Resolution TIFF File (Equisys)
G3S Goletas 3S Triangle Studio Project (Maksim Goleta)
G3X RealFlight Radio Control Photofield File (Knife Edge Software)
G4 Access (Microsoft Corporation)
G4 GTX RasterCAD File
G42 DLS/32 Supply Chain Planning (Adapta)
G4B Sokoban++ Level File
G53 DLS/32 Supply Chain Planning (Adapta)
G64 C64 Emulator Disk Image
G8 PicLab Plane Three Graphics
G8 PictureMaker Green Channel Image Data (Cubicomp)
G9 Gest Data File (Arktec, S.A.)
G99 HEC-RAS Geometry File (U.S. Army Corps of Engineers)
GAB Global Address Book Export File (Dencom)
GAB Connectivity Memory Model Axo-axonic Connections Onto Presynaptic Terminals Input File
GAB WINDEV Controls' Styles Description (PC SOFT)
GAC Global Audio Control Skin
GADGET Microsoft Gadget (Microsoft Corporation)
GAF Total Annihilation
GAK Win32 Shellext File
GAL Hewlett-Packard Graphics Gallery
GAL Gallery of Pictures
GAL Corel Multimedia Manager Album
GAL GenePix Array List (Molecular Devices Corporation)
GALLERYITEM SMART Notebook (SMART Technologies ULC)
GAM Rise of Nations Saved Game (Microsoft Corporation)
GAM Klik'n'Play Game (Clickteam)
GAM RPG Toolkit Game Project (Christopher Matthews)
GAM Cyberboard Game (Dale Larson)
GAM MacMolPlt GAMESS Input format
GAM Vectrex Game
GAM The Games Factory Game (Clickteam)
GAM Infinity Game Engine Saved Game (BioWare Corp.)
GAM TADS Ver. 2.x Game File
GAM GammaFax Fax Document
GAM Dark Engine Games (Looking Glass Studio)
GAM Baldur's Gate Game File
GAM Astro-PC Astrology Data File (Aureas Software & Publishing)
GAM Tasc Chess CD II Saved Game (Tasc)
GAME Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GAMES Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GAML Generalized Analytical Markup Language
GAN GanttProject Project Plan File
GANI Graal Game Animation
GAP Electrical Generation Analysis and Planification
GAR GPS_COM Waypoint Data (AviaDBM)
GARDE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GAS Intelligence Tracking System Data File
GAS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GAS Grab-a-Site Project File (BlueSquirrel)
GAT Gator File
GAT Genetic Algorithm Timetabler (GATTer) Configuration and Information File (Chris Skardon)
GAU Gaussian Input File (MDL Information Systems, Inc.)
GAU Flight Simulator Gauge (Microsoft Corporation)
GAUSS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GAUSS2 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GAX Age of Empires II: The Conquerors Expansion Saved Game (Microsoft Corporation)
GAX Rise of Nations Saved Game (Microsoft Corporation)
GAY Reported as Sometimes a Porn File
GB Nintendo GameBoy Emulator ROM Image File (Nintendo)
GB GenBank Sequence Record
GB CEDICT Chinese/English Dictionary (Erik E. Peterson)
GB Printfox/Pagefox Graphic
GB$ BASIC VB Beispiel Kartei File
GB1 Game Maker Backup (YoYo Games Limited)
GBA Nintendo Game Boy Advance ROM Image (Nintendo)
GBA GrabIt Batch Files
GBAP GLBasic GLBasic (Dream Design Entertainment Software)
GBC Nintendo GameBoy Color Emulator ROM Image File (Nintendo)
GBD Gator Banner File
GBD Great Budget Budget Definition File (Great Budget Software)
GBF GTrek GPS Binary File (GTrek Ltd)
GBF InteGrade Pro Gradebook File
GBF Great Budget Fringe Definition File (Great Budget Software)
GBFS GBFS Archive (Pin Eight)
GBI gBurner Image (gBurner Systems, Inc.)
GBK Interbase Database Backup
GBL VAXTPU Global Definitions
GBL Gravityball File (William D. Hause)
GBL Visual Basic Global Definition
GBOOK The Guest Book Egbook file
GBP Master Gardener's Buddy map exchange (APPinspect inc.)
GBR Gerber Format File
GBR GIMP Brush File (The GIMP Team)
GBS Nintendo Gameboy Music/Audio Data (Nintendo)
GBS Gameshark Online Save/Snapshot
GBS GTrek Collective GPS Binary File (GTrek Ltd)
GBSCR GreenBlue Services Script (Ecyware)
GBT Photoshop (Adobe Systems Incorporated)
GBX Great Budget Budget File (Great Budget Software)
GBX Nadeo Games File Format (Nadeo)
GBX Gerber File
GBX Cyberboard Gamebox (Dale Larson)
GBX Game Data Package
GC Sierra Print Artist Greeting Card
GC1 Golden Common Lisp 1.1 Source Code
GC3 Golden Common Lisp 3.1 Source Code
GCA G Compression Archiver Compressed File
GCA GOCA Graphics File
GCB Guitar Chord Buster
GCC VISUAL EPR COSEUL.EXE Result
GCC Gnu C++ File
GCD CD Ghost Task
GCD Prassi CD Image (Prassi Technology)
GCD Generic CADD Drawing
GCD GNUe Class Definition
GCD GraphiCAD Data File (GraphiTech Ltd.)
GCD General Content Descriptor (Sprint Nextel)
GCF Valve Game Cache File (Valve Corporation)
GCF Global Virtual Accademy GVA XT Author File
GCF Graphing Calculator (Pacific Tech)
GCF Half-Life Game Cache File (Sierra Entertainment, Inc.)
GCF Greeting Card Creator Project (ArcSoft)
GCF Scream! Guralp Compressed Format (Güralp Systems Ltd.)
GCF WinXComp Grouped Compressed File
GCG GCG 8 Sequence Chemical File
GCI Sonic Adventure DX Saved Game File (Sega of America, Inc.)
GCI Visual EPR COSEUL.EXE Result
GCI GTA2 Game File
GCK NICET Fire Alarm Test-Prep Software Tracking File (Zenith Design Group, Inc.)
GCK Giants: Citizen Kabuto Customized Map (Planet Moon Studios)
GCM GameCube Image File (Nintendo)
GCM GeoConcept Map File (GeoConcept SA)
GCM Group Mail CMessage Store File
GCO Genbox Family History Chart Options (Thoughtful Creations)
GCP Spectramap Group Properties (Coloritto BV)
GCP Ground Control Point File
GCR GlowCode Profiling Results (Electric Software, Inc.)
GCR Visual EPR COSEUL.EXE Output
GCS GameShark SharkSave for GameCube
GCT ApplinX Screen Scrapper
GCV 3D SexVilla Game Movie (thriXXX)
GCX Grapher Graph Formula and Specifications (Apple Inc.)
GD2 GDLib Image
GD3 GreatFamily Family Tree Project (GreatProgs)
GDA [Unknown]
GDA Unix Man Page Guide
GDB MoneyWorks Main Database (GenSoft Ltd.)
GDB GetPicturesList Image Location Database (Tracking-Celebs.info)
GDB Group Mail File
GDB Formula 1 Car Race 2001 Season01 File
GDB MapSource GPS Waypoint Database (Garmin Ltd.)
GDB ProMaster Key Manager Key Management Database (Westorn House Software)
GDB ArcView Geodatabase (ESRI)
GDB Firebird Database (Firebird Foundation Incorporated)
GDB GVA2000 Author Lecture (Youngsan Info & Communication Co., Ltd.)
GDB ACT! Group Data File (Best Software CRM Division)
GDB Interbase Database
GDB GardenBoss Design File (RedBog Software)
GDBTABLE ArcGIS ArcGIS (Esri)
GDF 3DMove 3D Geological Model (Midland Valley Exploration)
GDF FutuRUG Group Definition File (Two Brothers Software)
GDF IBM Graphics Data Format Bitmap
GDF GlossTeX Definition File
GDF Quartus II Graphic Design File (Altera Corporation)
GDF GRAFIK Eye Designer Project File (Lutron Electronics, Inc.)
GDF GEOS Dictionary
GDG ReliaSoft RG
GDI Generic Download Install File (SamattRPG Technologies)
GDK OS/2 Saved SKF Format File (IBM)
GDM Bells, Whistles, and Sound Boards Module
GDP Scrolling Game Development Kit Project File (Benjamin Marty)
GDP IG Maker (ENTERBRAIN)
GDR GRAFIK Eye Designer User Information (Lutron Electronics, Inc.)
GDR SymbianOS Bitmap Font File
GDS Chip Layout Information
GDS Image File
GDS McDonnell-Douglas Things
GDT Guitar & Drum Trainer Song Configuration File (Renegade Minds)
GDT Genbox Family History Dictionary (Thoughtful Creations)
GDW GedStar Pro Configuration (GHCS Software)
GDW gINT Drawing (gINT Software, Inc.)
GE Gecho Configuration File
GE3 Mastercam Geometry File (CNC Software, Inc.)
GE3 Mastercam Mill Tool Library (CNC Software, Inc.)
GE80 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GEA Fifa World Cup Game Data fe Art Legalscr File
GEANT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GEAR Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GEB DR Hardware File
GED Graphic Environment Document
GED Arts & Letters Graphics (Arts & Letters Corporation)
GED Game Editor Project File (Game Editor)
GED EnerGraphics File
GED Wicat Image
GED GEDCOM Family History File
GED Family Historian Native Data Format (GEDCOM File) (Calico Pie Limited)
GED Micrografx Simply 3D Geometry
GED GoldED / DOS Compiled Configuration File
GEDCOM Various Programs Data File
GEDTD Get 'em Done ToDo Data File (StudyLamp Software)
GEF Graphics Exchange Format
GEF GE Industrial Systems CIMPLICITY Workbench
GEF Geotechnical Exchange Format (GEONET)
GEM Ventura Publisher Vector Graphics
GEM GEM File
GEM Digital Research GEM Paint
GEM Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GEN Genius Family Tree Data
GEN Chromeleon Generic Driver Configuration
GEN ArcView ARC/INFO UnGenerate Format (ESRI)
GEN Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GEN ToGenBank Format
GEN Genesis (Mega Drive) Game ROM Backup File
GEN Ventura-Generated Text File
GEN Daqarta Extended Audio Data (Interstellar Research)
GEN Generations Embroidery Software Design File (Notcina Corporation)
GEN dBASE Application Generator Compiled Template
GENERAL Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GENIE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GENKEY Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GEO VideoScape 3D Object
GEO Homeworld Geometry File (Sierra)
GEO GoldED / OS/2 Compiled Configuration File
GEO Geoworks Geode
GEO GeoSoft Compressed Add-on
GEO VideoScope File
GEO Trumpf ToPs File
GEO eXplorist GPS Geocache Manager Database File (Thales Navigation, Inc.)
GEO GeoPaint
GEO Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GEOG Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GER Pro/ENGINEER Temporary File (PTC)
GER German Text/HTML Info File
GER GerberView File
GERMAN Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GESTION Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GET Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GET Pov-ray for Windows (Persistence of Vision Raytracer Pty Ltd.)
GETBILL Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GETRIGHT GetRight Download in Progress (Headlight Software, Inc.)
GETVERS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GEX GEcho Configuration File
GF METAFONT Generic Font File
GF Geometric Data
GF Starfleet Command - Empires At War File
GF gFx UNIX Plotting Program
GF Pilot Logbook for Grok File
GF FlowerThinger Garden File (PingerThinger.com)
GFA GFA-BASIC 32 ATARI Tokenized Source Ver. 2.x (GFA Software Technologies)
GFA Bitmap Graphic
GFA GFA-BASIC MS-DOS Tokenized Source (GFA Software Technologies)
GFA GFA-BASIC 32 ATARI Tokenized Source Ver. 2.x (Protected) (GFA Software Technologies)
GFB GIFBlast Compressed GIF Image
GFC Patton & Patton Flowcharting 4 File
GFD VISUAL EPR Energy, Fields File
GFD GeForms (Gadwin Systems, Inc.)
GFD Menus for GNUe Forms
GFF SignalMap Gene-Finding Format (GFF) Data File (NimbleGen Systems Inc.)
GFI Genigraphics Graphics Link Presentation
GFL GeForms (Gadwin Systems, Inc.)
GFM Ashton Tate Applause CGM Picture
GFM Computer Graphics Meta-file
GFO SGI Radiosity
GFS Immersioni Underwater Decompression File (Mario Giuseppe Leonardi)
GFS Office Groove Partial Download File (Microsoft Corporation)
GFS GGFileSPlit File Fragment (GGNetworks)
GFT GeForms Form Template (Gadwin Systems, Inc.)
GFT GSP Family Tree (Global Software Publishing Limited)
GFT NeoPaint Font
GFW ArcView World File For GIF Image (ESRI)
GFW BASIC GFA File
GFX Print Artist
GFX RSView Machine Edition Graphics Display (Rockwell Automation, Inc.)
GFX WarCraft II Image File (Blizzard Entertainment)
GFX Instant Artist image
GFX Genigraphics Graphics Link Presentation
GFX Cue Club Image File
GFX The Games Factory Extension (Clickteam)
GFY Grafical 1.0 File
GG Google Desktop Gadget (Google)
GG Sigmac Compiled Machine Code
GG Sega GameGear Game ROM Image (Sega of America, Inc.)
GG Koala Paint Compressed File
GG Gridgen File
GG Gridgen Grid (Pointwise, Inc.)
GG1 Goofy Golf Deluxe Course
GG2 Goofy Golf Deluxe Saved Game
GGDB GGNetworks Database (GGNetworks)
GGE Green Globs & Graphing Equations Saved Graphing Equations (Dugdale and Kibbey Consulting)
GGF GPS Pathfinder Office Geoid Grid File (Trinble Navigation Limited)
GGG Green Globs & Graphing Equations Record Games and License Information (Dugdale and Kibbey Consulting)
GGI GGI Extension
GGM Green Globs & Graphing Equations Partial or Complete Saved Game (Dugdale and Kibbey Consulting)
GGP GemCom Graphic Format
GGR GIMP Gradient (The GIMP Team)
GGS Gameboy Emulator File
GGX Green Globs & Graphing Equations List of GGG Records Files (Dugdale and Kibbey Consulting)
GHI NCSA Mosaic Configuration File
GHO Ghost Disk Image File (Symantec Corporation)
GHOST Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GHOST Wrye Bash Disabled (ghosted) TES IV Oblivion plugin file (Wrye)
GHS Ghost Disk Image Span File (Symantec Corporation)
GHS Tarshare File
GHS Lasertank High Scores
GHS Glider Pro House File (John Calhoun)
GI Sony CD Extreme Global Image File
GI Sonic RecordNow! CD Image (Hewlett-Packard Development Company, L.P.)
GI Prassi or PrimoDVD Image
GI Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GI Audio Utility Tuningwrench Compressed File
GIB Graph-in-the-Box Chart
GIC BioWare Aurora Engine Area (BioWare Corp.)
GID GiD Project Directory (CIMNE (The International Center for Numerical Methods in Engineering))
GID Windows Help Index File (Microsoft Corporation)
GIF Graphic Interchange Format
GIF Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GIF2 Netobjects Fusion Styles Lines File
GIF2 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GIF87 GIF87 File
GIF89A Gif 89a Image File
GIFA Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GIFAR GIF With Java ARchive
GIFENX egis Encrypted GIF File (HiTRUST Inc.)
GIFF Graphic Interchange Format
GIG GigaStudio Sound Bank (TASCAM)
GIH GIMP Animated Brush (The GIMP Team)
GIL GILS Document
GILS GILS Document
GIM Playstation 3 Icon File (Sony Corporation of America)
GIM Genigraphics Graphics Link Presentation
GINT Gintor Download Assistant Control File
GIO Nyquist V2.10 Test File
GIR Gens Plus! Movie Capture
GIRL Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GIS ERDAS IMAGINE Gray-scale Bitmap Image (Leica Geosystems , LLC)
GIT BioWare Aurora Engine Area (BioWare Corp.)
GIW Graph-in-the-Box Presentation
GIX Genigraphics Graphics Link Presentation
GJD 11th Hour Game Archive
GJD GetJet Professional Database
GJD 7th Guest Game Archive
GJF Gaussian Input Data File
GJT GAJET Input Data File (UK Health and Safety Laboratory)
GKA GKWIN (Matsushita Electric Works UK Limited)
GKB General Knowledge Base Database (Baltsoft)
GKH Ensoniq EPS Family Disk Image (E-MU Systems)
GKS Gravis GripKey Document
GKS Graphics Kernel System
GL GALink Script
GL GRASP - Graphical System for Presentation File
GL3 Green Line File
GLADE Glade User Interface Design
GLB Global Module in Basic Program
GLB Raptor: Call Of The Shadows Support File
GLD The GUI Loft Design (Johan Lindström)
GLD Glide File
GLF AfterGRASP Font (John Bridges)
GLF Pointwise Tcl Script (Pointwise, Inc.)
GLF Gridgen Tcl Script (Pointwise, Inc.)
GLF Grantleigh Labels
GLF Golf Save File
GLF iGolf Golf Course File (L1 Technologies)
GLG MicroSim PCBoard Photoplot Job Description File
GLH Wise Installer Temporary File (Wise Solutions)
GLI GLHEPRO Input Data (James R. Cullin - Oklahoma State University)
GLK PaperPort Application Link File (16-bit) (ScanSoft Inc.)
GLM Glim Data File
GLM DInsight Modeling Studio 3D CAD Model (DInsight)
GLO Global Module in Basic Program
GLO Instant Text Glossary File (Textware Solutions)
GLO LaTeX Auxiliary for Glossary
GLOBAL Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GLOBALS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GLOSS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GLOSSARY Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GLOSSARYASP Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GLOX Microsoft Office Microsoft Office (Microsoft Corporation)
GLS Across Data
GLS Babylon Builder
GLS GLScript Game/Animation Script File
GLS Sothink Glenda Export Shape File
GLT Sothink Glenda File
GLU Cyberglue File
GLUE GlueMon Song/Module
GLUT OpenGL Glut-3.6 File
GLUT2 OpenGL Glut-3.6 File
GLUT3 OpenGL Glut-3.6 File
GLV Glove Data File (New Planet Software)
GLY ACT! Layout (Best Software CRM Division)
GLY Word Glossary (Microsoft Corporation)
GM Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GM Autologic Bitmap
GM Transport Tycoon Game Music File
GM0 S.A.P.S. - Sharp Advanced Presentation Software Professional
GM1 Heroes of Might & Magic III Saved Game (The 3DO Company)
GM1 S.A.P.S. - Sharp Advanced Presentation Software Professional
GM2 Heroes of Might & Magic III Saved Game (The 3DO Company)
GM2 S.A.P.S. - Sharp Advanced Presentation Software Professional
GM2 Autologic Bitmap
GM2 Gens Sega Genesis Emulator Movie Capture Format (Mysticales)
GM3 S.A.P.S. - Sharp Advanced Presentation Software Professional
GM3 Heroes of Might & Magic III Saved Game (The 3DO Company)
GM4 Heroes of Might & Magic III Saved Game (The 3DO Company)
GM4 Autologic Bitmap
GM4 S.A.P.S. - Sharp Advanced Presentation Software Professional
GM5 Heroes of Might & Magic III Saved Game (The 3DO Company)
GM6 Heroes of Might & Magic III Saved Game (The 3DO Company)
GM6 Game Maker Project File (YoYo Games Limited)
GM7 Heroes of Might & Magic III Saved Game (The 3DO Company)
GM8 Heroes of Might & Magic III Saved Game (The 3DO Company)
GM9 Heroes of Might & Magic III Saved Game (The 3DO Company)
GMA S.A.P.S. - Sharp Advanced Presentation Software Professional
GMANIFEST Google Desktop Gadget Control File (Google)
GMAX gmax Game Creator (Autodesk, Inc.)
GMB Great Budget Model (Template) File (Great Budget Software)
GMB GoldMine Business Contact Management Backup Data (FrontRange Solutions Inc.)
GMD Great Budget Model Definition for the Template (Great Budget Software)
GMD IMAGINE Graphical Model (Erdas)
GMD Game Maker Stored Game Under Development (YoYo Games Limited)
GME Multi Game Memory Editor Main Game File (Opencoding.net)
GME Interact DexDrive Playstation Memory Card Save
GME GunBound Main GunBound Executable (Softnyx)
GMF Applause CGM Graphics
GMF Great Budget Fringe Definition for the Template (Great Budget Software)
GMF Robot Arena: Design & Destroy Graphic (Gabriel Group, Inc.)
GMI GPS Tuner Map Calibration Data (Megalith-Systems)
GMIN Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GMK Game Maker Project File (YoYo Games Limited)
GML Graphlet Graphscript File
GML Geography Markup Language
GML Game Maker Script (YoYo Games Limited)
GML NetRemote XML-based Configuration File
GMLWB Garry's Mod Lua Weapons Builder Project File (Happymax)
GML_BBCRSSINTCLUSTER BBC Alerts (BBC)
GMM GMT Player Live Media Feed (GGMMTV Ltd.)
GMM Group Mail Message Log File
GMMOD Model Creator Game Maker Model File (Matrebatre)
GMMP Windows Color System Gamut Map Model Profile (GMMP) (Microsoft Corporation)
GMO GNU Gettext GNU Machine Object File (Free Software Foundation)
GMP GUEmap Document (Christopher J. Madsen)
GMP Group Mail List Information File
GMP Railroad Tycoon 3 Scenarios and Saved Games (PopTop Software Inc.)
GMP Geomorph Tile Map
GMP GTA2 Game File
GMR Schlafhorst Automation Graphical Monitor Record
GMR Game Maker Compiled Game (YoYo Games Limited)
GMS Corel Global Macro File
GMS Corel Graphics10 Draw File
GMT Scarlett Expert System Compiler Grammar File
GMT GMT Player Live IPTV Feed (GGMMTV Ltd.)
GMV GMV (General Mesh Viewer) Input File (Los Alamos National Security, LLC)
GMV Gens Movie Capture
GMV Cyberboard Move (Dale Larson)
GMX Group Mail Message File
GNA Genigraphics Graphics Link Presentation
GNE Flickr PHP File (Yahoo! Inc.)
GNH GravoStyle Engraving Software (GravoGraph)
GNI VisiDAQ Strategy File (Visidaq Solutions, Inc.)
GNM Generator GNM Output Log/Music
GNO Genopro Genealogy Document File (Genogram) (GenoPro Inc.)
GNO Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GNT Micro Focus Generated COBOL Code
GNUMERIC Gnumeric Default XML-based File (GNOME Foundation)
GNUPLOT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GNX Genigraphics Graphics Link Presentation
GO GraphOn Bitmap Image
GO Icy Tower 1.3 Game file (Free Lunch Design)
GO CompuServe (CompuServe)
GO1 Wingames Go File
GOA SpiceCAD File
GOAL Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GOB Indiana Jones 3D Game Archive (Lucasfilm Entertainment Company Ltd.)
GOB Dark Forces Game Archive (Lucasfilm Entertainment Company Ltd.)
GOB Jedi Knights Game Archive (Lucasfilm Entertainment Company Ltd.)
GOBJ Geoworks Object Code
GOC Geoworks GOC Source Code
GOD Payvision BV Gamelauncher Games on Demand Volume (Payvision)
GODD G.O.D Arena Partial Downloaded Game File (Games On Demand ( Australia ) Pty. Ltd. (G.O.D))
GOE McIDAS System Satellite Image Data
GOES McIDAS System Satellite Image Data
GOGO Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GOH Geoworks GOC Header
GOLD Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GOLDFONT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GOLF Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GOO Kai's Power Goo / Kai's Supergoo
GOODBYE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GOODE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GOODNESS Goodness File
GOODS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GOOK Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GOR Gorilla
GOTHIC Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GOULD Gould Scanner Bitmap
GOV Netmino File
GOX The Games Factory Extension (Clickteam)
GP Geoworks Glue Geode Parameter File
GP Gofer Project
GP1 Street Atlas GPS Log (Delorme)
GP1 Gerber Printed Circuit File
GP3 CCITT Group 3 File
GP3 Guitar Pro Ver. 3 Tablature (Arobas Music)
GP4 CCITT Group 4 File
GP4 Guitar Pro Ver. 4 Tablature (Arobas Music)
GP4 GTX Group IV Format /CALS Picture
GP5 Guitar Pro Ver. 5 Tablature (Arobas Music)
GPD Generic Printer Description Unidrv Minidriver (Microsoft Corporation)
GPD VISUAL EPR Input Data for PARAMS.EXE
GPF Ragnarok Online Gravity Re-Packed File (Gravity Co., Ltd. & Lee Myoungjin)
GPG GNU Privacy Guard (GnuPG) Public Keyring (Free Software Foundation, Inc.)
GPH 1-2-3 Graph (IBM)
GPH Freelance Graphics for OS/2 (IBM)
GPH Stata Graph
GPH Pro/ENGINEER (PTC)
GPI Bitware Fax File
GPI Garmin Point of Interest File (Garmin Ltd.)
GPJ Autorun-Autoplay Tools Project File (GS Technology Works LLC dba GS Technologies)
GPJ Grapher Project File (Golden Software, Inc.)
GPJ Grapher Worksheet Project (Golden Software, Inc.)
GPJ gINT Project File (gINT Software, Inc.)
GPJ Xpower Project (PaulMace Software Inc.)
GPJ jGRASP Project Metadata (Auburn University)
GPK Geos Compressed Omnigo File Archive
GPK Omnigo Program Package
GPK WaveLab Peak File (Steinberg)
GPK GEOPAK Coordinate Geometry Database (Bentley Systems, Incorporated)
GPL GPS Log File
GPL XMap GPS Log File (Delorme)
GPL GenePix Lab Book (Molecular Devices Corporation)
GPL GetPicturesList URL Conversion Rule (Tracking-Celebs.info)
GPLT Gnuplot Plot Files
GPM Crossword Puzzle
GPN GlidePlan Map Document (GlidePlan Inc.)
GPN gp-Untis Timetable Database (Gruber & Petters GmbH)
GPP Serif GraphicsPlus Object
GPP GraphPap Graph Paper File
GPR VISUAL EPR PARAMS.EXE Results
GPR GMS Project File (Environmental Modeling Systems, Inc.)
GPR GenePix Results (Molecular Devices Corporation)
GPS BPM Studio File/Play List Structure (ALCATech)
GPS MicroImages GPS Log File (MicroImages, Inc.)
GPS Tripod Data Systmes Survey Pro GPS Coordinate File
GPS Pocket CoPilot GPS Tracks Data File
GPS GenePix Settings (Molecular Devices Corporation)
GPT MOPAC Graph File (CambridgeSoft Corporation)
GPT MicroImages Text Group (MicroImages, Inc.)
GPX GraphX Document (FlexSoft)
GPX GPS eXchange Format (TopoGrafix)
GPX Garmin GPS eXchange Data Format (Garmin Ltd.)
GPX BASIS File
GPZ Msdev Common Ide Utility Projects File
GQ QLFC Compressed Archive
GQ Epson Printer Page Description Language (Epson Corporation)
GQA BI/Query Data Model Admin Layer
GQL BI/Query Data Model
GQU BI/Query Data Model User Layer
GR XGMML (eXtensible Graph Markup and Modeling Language) File
GR2 Windows 3.0 Screen Driver
GR2 Granny Game Content File (RAD Game Tools, Inc.)
GR3 Windows 3.0 Screen Grabber
GR4 Pathloss Network File Sharing File
GRA OpenGL Object
GRA Notes 5 Language Dictionary File (IBM)
GRA Flight Simulator File (Microsoft Corporation)
GRA Graph Chart (Microsoft Corporation)
GRA SigmaPlot Data File
GRA STN Express Transcript Graphics File
GRAAL Graal Level (Cyberjoueurs)
GRABBER Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GRAD Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GRADE1FONT Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GRADS Metafile
GRAFFLE OmniGraffle Drawing (The Omni Group)
GRAFSAO Aleph One Shapes (Marathon Open Source)
GRAPH Amaya
GRAPHICS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GRAPHLI Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GRASP Animation
GRAY Raw Gray Samples
GRB HP-48/49 GROB
GRB Gridded Binary Image
GRB HP-48sx Calculator GROB Graphic Object
GRB MS-DOS Shell Monitor
GRB Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GRBDROPFILE GetRight (Headlight Software, Inc.)
GRD RockWorks Evenly-spaced XYG Data (RockWare, Inc.)
GRD StrongDisk Encrypted Disk Image (PhysTechSoft Ltd.)
GRD Photoshop Gradient File (Adobe Systems Incorporated)
GRD 3D Garden Composer Design File (DiComp, Inc.)
GRD Golden Software Surfer
GRD Grid File
GRD Drivers for GRX
GRD Gradebook Power File
GRDEF Geoworks UI resource file
GRE Webalizer.01 Language File
GREY RAW RGB 24-bit Graphic
GRF DLG Graphic Format
GRF CloverETL (Javlin)
GRF Graph Plus Drawing (Corel)
GRF Grafix Idea File
GRF Insight II Standard Graph Definition File (Accelrys Software Inc.)
GRF Stanford Image
GRF Level Up! Site Information File (Level Up!)
GRF Ragnarok Online Game Archive (Gravity Co., Ltd. & Lee Myoungjin)
GRF Golden Software Graph File
GRF Ragnarok Packed File (Gravity Co., Ltd.)
GRF DPlot Graph File (HydeSoft Computing, LLC)
GRF GraphEdit Filter Graph (Microsoft Corporation)
GRF Graph
GRFZ DPlot Graph File (HydeSoft Computing, LLC)
GRG GreatFamily Graphic Gallery (GreatProgs)
GRIB Gridded Binary
GRID Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GRK Gradekeeper Class Gradebook (Daniel Ethier)
GRK Kreon Scanner File
GRL MATLAB Graphic Format (The MathWorks, Inc.)
GRM VISUAL EPR Input Data for FIntGraf
GRM Minos File
GRN Masterpoint Green Points File (ABF Masterpoint Centre)
GRN Granny 3D Rendering Program
GRN Drivers for GRX
GRO Warlords Battlecry Archive (Strategic Studies Group, Pty Ltd.)
GRO HP-48/48sx/49 Graphic Object Bitmap (Hewlett-Packard Development Company, L.P.)
GRO Genbox Family History Report Options (Thoughtful Creations)
GRO Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GRO Serious Sam Game File (Croteam Ltd.)
GROB HP-48/48sx/49 Graphic Object Bitmap (Hewlett-Packard Development Company, L.P.)
GROOVY Groovy (programming language) script file (JCP)
GRP ACT! Group Data File (Best Software CRM Division)
GRP Windows Program Manager Group
GRP BPM Studio File/Play List Archive (ALCATech)
GRP Duke Nukem 3D Archive
GRP Shadow Warrior Archive
GRP Starcraft Archive
GRP PixBase Pictures Group
GRP DESQview (Symantec Corporation)
GRPH ANSYS Plot
GRQ Quickstep Barco Graphics
GRR Gradekeeper Class Roster (Daniel Ethier)
GRS GetRight Skin (Headlight Software, Inc.)
GRS Packedge Barco Graphics
GRT VISUAL EPR Calculation Results of Fields
GRT MegaHAL Greeting File (Ai Research)
GRV Cakewalk (Cakewalk)
GRV Groove Networks File
GRW SeeYou Waypoint (Naviter)
GRX GetRight File List (Headlight Software, Inc.)
GRXML Speech Recognition Grammar Specification (W3C)
GRY RAW RGB 24-bit Graphic
GRZ GRZip Compressed Archive
GRZ GRZip II Compressed Archive
GS eXplorist GPS Geocache Waypoint File (Thales Navigation, Inc.)
GS Gofer Script
GS GemStone Model Document (Verity Software House)
GS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GS0 Genecyst Save State 0
GS1 Genecyst Save State 1
GS1 GraphShow Presentation
GS2 Genecyst Save State 2
GS3 Genecyst Save State 1
GS4 Genecyst Save State 4
GS5 Genecyst Save State 5
GS6 Genecyst Save State 6
GS7 Genecyst Save State 7
GS8 Genecyst Save State 8
GS9 Genecyst Save State 9
GSA GeneStudio Alignment File (GeneStudio, Inc.)
GSAGA Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GSALB GSAlbumer Album file (Krzysztof Krzewniak)
GSB Gain Script Binary (AIM Software)
GSB Golden Software Boundary Data (Golden Software, Inc.)
GSB GeneSys Battery File (Psytech International)
GSBUG Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GSC IMail Server Web Messaging File (Ipswitch, Inc.)
GSC GeneStudio File
GSD GSM Internet Realtime Audio
GSD Professional Draw Vector Graphics
GSD GSplit Piece File (G.D.G. Software)
GSD GraphTec Vector Graphic Data (GraphTec)
GSDB25 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GSDIN8 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GSE GeneSys Export File (Psytech International)
GSE IMail Server Returned Mail (Ipswitch, Inc.)
GSF Golf Seasons File
GSF Multi Game Memory Editor Date File (Opencoding.net)
GSF Gedemin Settings File (Golden Software of Belarus, Ltd)
gsf Ghostscript Fonts
GSHR Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GSI GPS Tuner Map Slices Calibration Data (Megalith-Systems)
GSI GeneSys Remote Administration File (Psytech International)
GSL GoodSync Job List File (Siber Systems Inc.)
GSLIB Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GSM Raw GSM 6.10 Audio Stream
GSM US Robotics Modem File GSM Audio over MODEM File
GSM GoldSim Model File (GoldSim Technology Group)
GSM ArchiCAD Library Object (Graphisoft R&D Software Development Rt.)
GSMA Glove Shack Mail Archive (The Glove Shack)
GSN Cyberboard Scenario (Dale Larson)
GSN GeneSys Norm File (Psytech International)
GSO WinOrganizer or GoldenSection Notes Database (The Golden Section Labs)
GSOS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GSP Giza Specifier Project File (20-20 Technologies)
GSP IMail Server Returned Mail (Ipswitch, Inc.)
GSP Geometer's Sketchpad Document File (Key Curriculum Press)
GSP GoldSim Input Model File (GoldSim Technology Group)
GSP Grelix Software Packer Archive (Grelix Software)
GSPLUS Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GSR GeneSys Report File (Psytech International)
GSR6 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GSS Multi Game Memory Editor Memory Snapshot (Opencoding.net)
GSS Geometer's Sketchpad Script (Key Curriculum Press)
GST Need for Speed
GST Giza Specifier Template File (20-20 Technologies)
GST Gain Script Text (AIM Software)
GST MapInfo Geoset File (MapInfo Corporation)
GST Multi Game Memory Editor Template File (Opencoding.net)
GSTORE GMailStore Archive
GSV GameShark SP Gameboy Advance Game Save Info (Mad Catz, Inc.)
GSV Genecyst SRAM ROM Dump
GSW GRDSOZ4W Gerdsooz Source File
GSW GraphShow Worksheet
GSX Gens 2.0 Save State File
GSX Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GSXL Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GT2 Graoumf Tracker Music Module
GTAG Jelbert GeoTagger Database File (Jelbert Consulting)
GTAR GNU tar Compressed File Archive (GNU Tape Archive)
GTD GT Designer 2 Project (Mitsubishi Electric Corporation)
GTE GigaTrust RM-protected File (GigaMedia Access Corporation)
GTF PGA Golf Binary File
GTF Tom Clancey's Ghost Recon Game File (Red Storm Entertainment)
GTH Domino Document Manager (IBM)
GTK Graoumf Tracker Music Module
GTM GPS TrackMaker General Map File (Geo Studio Technologies Ltd.)
GTO Quicken On-line File (Intuit Inc.)
GTP Atari Executable (Atari)
GTP Guitar Pro Tablature (Arobas Music)
GTP MultiFS Video File
GTS Genome Software Tempo Alarm Clock
GTT Guntram's Tabletweaving Thingy
GTV GigaTrust RM-protected File (GigaMedia Access Corporation)
GTX Grammatica Grammatica (Grammatica)
GTX Genetica Texture Pack (Spiral Graphics Inc.)
GTX GTX Group IV Raster Graphic
GTY Gibson Tray File
guess Configuration Identification Script
GUI Doom User Interface Information (Id Software, Inc.)
GUI GUI Design Studio Project File (Caretta Software Ltd.)
GUI4CLI Gui4Cli Graphical User Interface for Command User Interface (Dimitris Keletsekis)
GUIDE Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GUIDE Amigaguide Hypertext Document (Amiga, Inc.)
GUIKIT ShapeShifter Theme (Unsanity LLC)
GUITAR Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GUL Samsung Document (Samsung)
GUL JungUm Global Viewer Korean Language File (Samsung Electronics)
GUN Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GUN Tom Clancey's Ghost Recon Gun Description File (Red Storm Entertainment)
GUN2 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GUP PopMail Data
GUR Gutsch & Exner Software Update Undo
GUT ASSISTANT Data File (GUT GmbH)
GUX Gutsch & Exner Software Update
GV Grandview
GV Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GV Graphviz DOT Language File (AT&T Research)
GVI Google Video File (Google)
GVP gvSIG Project File (Conselleria d'Infraestructures i Transport)
GVP Google Video Playlist (Google)
GVS GuitarVision Song File (MTW Studios, Inc.)
GW3 Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GWC Golfwits Course Map (Siscosoft, Inc.)
GWF Benthic Golden
GWI GroupWise Link Information (Novell, Inc.)
GWK GraphiCode Printed Circuit Board Drawing
GWM Epson Creative Studio 30 Example File (Epson Corporation)
GWP Greetings WorkShop File
GWP GoodWay Flight Planner Flight Plan File (GoodWay)
GWS GeoMedia Geoworkspace File
GWS Goldwave User's Settings Files (Goldwave Inc.)
GWV Groundwater Vistas Packaged Model File (Environmental Simulations International Ltd (ESI))
GWX Genigraphics Graphics Link Presentation
GWZ Genigraphics Graphics Link Presentation
GX Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
GX1 Show Partner Graphics File
GX2 Show Partner Graphics File
GXA General CADD Pro Attributes (General CADD Products, Inc.)
GXC General CADD Pro Component (General CADD Products, Inc.)
GXD General CADD Pro Drawing File (General CADD Products, Inc.)
GXD GX-Reports File
GXD Jeol EX Spectrometer Data File
GXF SMPTE GXF Container
GXF General CADD Pro Font (General CADD Products, Inc.)
GXF Grid Exchange Format
GXL Genus Graphics Library
GXM General CADD Pro Macro Script (General CADD Products, Inc.)
GXP Jeol EX Spectrometer Data File
GXR Genexus Report Viewer
GXR GX-Reports File
GXS GrafiXML Native Format (Universite Catholique de Louvain-la-Neuve)
GXT Grand Theft Auto II/III Text (Rockstar Games)
GXW GRASS GIS Workspace Layout Definition (Open Source Geospatial Foundation)
GYM Sega Genesis/Mega Drive Music Logged Format (Sega of America, Inc.)
GYM Geoworks Generic Symbol File
GZ GIMP Image File (The GIMP Team)
GZ Gzip Compressed Archive
GZA GZA Compressed Archive
GZF Webcopier File
GZIP GNU Zip Compressed Archive
GZIP Gzip Compressed Archive
GZL Go!Zilla File
GZP Giants: Citizen Kabuto
GZX Gazette File (Zeno Systems)

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