| .004 | SourceForge | GIS-Dateien | Compressed File From A Multi-volume Archive (part 4) | 7-Zip | Igor Pavlov |
| .005 | bhv | GIS-Dateien | Winfunktion Mathematik V8.0 Julia Fractal File | WinFunction Mathematics | bhv |
| .006 | bhv | GIS-Dateien | Winfunktion Mathematik V8.0 Julia Fractal File | WinFunction Mathematics | bhv |
| .007 | bhv | GIS-Dateien | Winfunktion Mathematik V8.0 Julia Fractal File | WinFunction Mathematics | bhv |
| .008 | ESRI (Environmental Systems Research Institute) | GIS-Dateien | International S-57 Hydrographic Data Electronic Navigation Chart | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .009 | bhv | GIS-Dateien | Winfunktion Mathematik V8.0 Julia Fractal File | WinFunction Mathematics | bhv |
| .3D | Interscape | GIS-Dateien | 3D Drawing CAD Data | Quick3D | quick3D |
| .3DC | NNG | GIS-Dateien | iGO 3D Building Data | iGO Navigation | NNG |
| .3DF | Informative Graphics Corporation | GIS-Dateien | 3D Format | Myriad | Informative Graphics Corporation |
| .AAT | ESRI | GIS-Dateien | Arcinfo Line Data Attribute Data | ArcInfo | ESRI |
| .ADF | Cloanto Corporation | GIS-Dateien | Amiga Disk File | Amiga Forever | Cloanto Corporation |
| .AER | Adobe Systems Incorporated | GIS-Dateien | Adobe Atmosphere World | Adobe Atmosphere | Adobe Systems Incorporated |
| .AEU | Microsoft Corporation | GIS-Dateien | Microsoft AutoRoute Express Europe Route Data | Microsoft AutoRoute | Microsoft Corporation |
| .AFP | Garmin | GIS-Dateien | XMap Flight Plan Statistic File | XMap | Garmin |
| .AGB | AGIS | GIS-Dateien | NAVFone Data | NAVFone | AGIS |
| .AGF | ESRI | GIS-Dateien | Atlas GIS Native Binary Geodataset | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .AIN | Valve | GIS-Dateien | Source Engine Compiled AI Nodegraph File | Valve Source SDK | Valve |
| .APL | Matthew T. Ashland | GIS-Dateien | Monkey's Audio Track Information File | Microsoft Windows Media Player | Microsoft Corporation |
| .APM | Adobe Systems Incorporated | GIS-Dateien | Aldus Placeable Metafile Image | GIMP | The GIMP Development Team |
| .APP | Nokia | GIS-Dateien | Symbian OS Application | Symbian OS | Nokia |
| .APX | Ability Plus Software | GIS-Dateien | Ability Photopaint Studio Image | Ability Office | Ability Plus Software |
| .AQM | Psyberia | GIS-Dateien | AlpineQuest Map File | Mobile Atlas Creator | Open Source |
| .AT5 | Lowrance Electronics | GIS-Dateien | Lowrance Map File | Lowrance Endura | Lowrance Electronics |
| .ATX | ESRI | GIS-Dateien | ArcGIS Attribute Index File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .AVL | ESRI | GIS-Dateien | ArcView Legend File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .AWX | ESRI | GIS-Dateien | ArcIMS XML Project File | ArcIMS | ESRI |
| .AXE | Microsoft Corporation | GIS-Dateien | AutoRoute Map File | Microsoft AutoRoute | Microsoft Corporation |
| .AXT | Adobe Systems Incorporated | GIS-Dateien | Adobe Photoshop Extract File | Adobe Photoshop CC | Adobe Systems Incorporated |
| .BIL | ESRI | GIS-Dateien | ESRI BIL File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .BLX | Magellan Navigation | GIS-Dateien | Magellan MapSend Map Data | MapSend Lite | Magellan Navigation |
| .BPW | Open Source | GIS-Dateien | Bitser Password File | Bitser | Open Source |
| .BQW | ESRI (Environmental Systems Research Institute) | GIS-Dateien | ArcView World Data | ArcGIS | ESRI |
| .BSB | Take-Two Interactive | GIS-Dateien | BioShock Saved Game File | BioShock | Take-Two Interactive |
| .BSQ | ESRI | GIS-Dateien | ArcView Band Sequential Image | ArcView | ESRI |
| .BT | Blue Marble Geographics | GIS-Dateien | BT (Binary Terrain) File | Global Mapper | Blue Marble Geographics |
| .BYO | Bayo Groupe NSE | GIS-Dateien | Bayo CartoExploreur Cartographic Map | CartoExploreur | Bayo Groupe NSE |
| .BZM | ESRI | GIS-Dateien | Business Map File | BusinessMap | ESRI |
| .CAI | Naviter | GIS-Dateien | SeeYou Flight Data File | SeeYou | Naviter |
| .CEE | Unknown Developer | GIS-Dateien | Compressed GPS Ephemeris Data | Unknown Software | Unknown Developer |
| .COR | Trimble Inc. | GIS-Dateien | Trimble Corrected SSF File | GPS Pathfinder Office Software | Trimble Inc. |
| .CR5 | Campbell Scientific | GIS-Dateien | CRBasic Source Code File | CR300-Series Dataloggers | Campbell Scientific |
| .CSF | Intergraph Corporation | GIS-Dateien | GeoMedia Coordinate System File | Intergraph GeoMedia | Hexagon Geospatial |
| .CUB | Microsoft Corporation | GIS-Dateien | Analysis Services Cube File | Microsoft Excel | Microsoft Corporation |
| .CUP | Naviter | GIS-Dateien | Naviter SeeYou Waypoint File | SeeYou | Naviter |
| .DBF | dBase, LLC | GIS-Dateien | Database File | Microsoft Excel | Microsoft Corporation |
| .DEM | Valve | GIS-Dateien | Video Game Demo File | VirtualDub | Open Source |
| .DGF | Trimble Inc. | GIS-Dateien | GPS Pathfinder Office Geoid Grid File | GPS Pathfinder Office Software | Trimble Inc. |
| .DIV | Robert Hijmans | GIS-Dateien | DIVA-GIS Project File | DIVA-GIS | Robert Hijmans |
| .DIX | Robert Hijmans | GIS-Dateien | DIVA-GIS Export File | DIVA-GIS | Robert Hijmans |
| .DLG | Crytek | GIS-Dateien | Crysis Dialogue Data File | Crysis | Crytek |
| .DMF | Geosystem | GIS-Dateien | Geosystem Digitals Map File | Geosystem Digitals | Geosystem |
| .DMT | DeLorme | GIS-Dateien | XMap Transfer File | XMap | Garmin |
| .DT0 | National Geospatial-Intelligence Agency | GIS-Dateien | DTED Level 0 File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .DT1 | National Geospatial-Intelligence Agency | GIS-Dateien | DTED Level 1 File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .DT2 | Microsoft Corporation | GIS-Dateien | Windows Live Messenger Emoticon Image File | Microsoft Windows Live Messenger | Microsoft Corporation |
| .DVC | IBM | GIS-Dateien | Lotus 1-2-3 Data | Lotus 1-2-3 | IBM |
| .E00 | ESRI | GIS-Dateien | ArcInfo Coverage Export File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .E01 | GetData | GIS-Dateien | EnCase Image File | PassMark OSForensics | PassMark Software |
| .EFS | ESRI | GIS-Dateien | ESRI Spatial Binary File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .EGD | ESRI (Environmental Systems Research Institute) | GIS-Dateien | Encrypted Grid Shape File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .EMH | EIVA a/s | GIS-Dateien | NaviPac Data | NaviPac | EIVA a/s |
| .EPH | Trimble Inc. | GIS-Dateien | GPS Pathfinder Office Ephemeris File | GPS Pathfinder Office Software | Trimble Inc. |
| .ERS | ESRI (Environmental Systems Research Institute) | GIS-Dateien | ER Mapper Data File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .ESI | Open Source | GIS-Dateien | Escape Level Index File | Escape | Open Source |
| .EST | Microsoft Corporation | GIS-Dateien | Streets & Trips Map File | Microsoft MapPoint | Microsoft Corporation |
| .ETA | Google | GIS-Dateien | Google Earth Placemark File | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .EVF | Exelis Inc. | GIS-Dateien | ENVI Vector | ENVI | Exelis Inc. |
| .EWT | Interscape | GIS-Dateien | EWView Trace Data | EWView for MS-DOS | Interscape |
| .FBL | International TechneGroup Incorporated | GIS-Dateien | CADfix Command Level Log File | CADfix | International TechneGroup Incorporated |
| .FDS | Adobe Systems Incorporated | GIS-Dateien | JetForm FormFlow Data File | JetForm FormFlow | Adobe Systems Incorporated |
| .FFS | Safe Software | GIS-Dateien | FME Desktop Feature Store File | FME Desktop | Safe Software |
| .FIT | Garmin | GIS-Dateien | Garmin Activity File | Garmin Connect | Garmin |
| .FME | Safe Software | GIS-Dateien | FME Mapping File | FME Desktop | Safe Software |
| .FMI | Safe Software | GIS-Dateien | FME Include File | FME Desktop | Safe Software |
| .FMV | Safe Software | GIS-Dateien | FME Desktop Viewspace File | FME Desktop | Safe Software |
| .FMW | Safe Software | GIS-Dateien | FME Workbench File | FME Desktop | Safe Software |
| .FSP | Wondershare Software Co., Ltd. | GIS-Dateien | Flash Slideshow Builder Project | Wondershare Flash Gallery Factory | Wondershare Software Co., Ltd. |
| .GDF | Eytan Adar | GIS-Dateien | GUESS Graph Data Format File | GUESS | Eytan Adar |
| .GEOJSON | Open Source | GIS-Dateien | GeoJSON File | Notepad++ | Don Ho |
| .GFW | Open Source | GIS-Dateien | GIF World File | Microsoft Notepad | Microsoft Corporation |
| .GGF | Trimble Inc. | GIS-Dateien | GPS Pathfinder Office Geoid Grid | GPS Pathfinder Office Software | Trimble Inc. |
| .GHD | Adam Schneider | GIS-Dateien | Geonaute Keymaze Tracklog File | GPS Visualizer | Adam Schneider |
| .GLB | Analytical Graphics | GIS-Dateien | STK Globe File | Systems Tool Kit (STK) | Analytical Graphics |
| .GLF | Vladimir Romanyuk | GIS-Dateien | Space Engine Shader File | Space Engine | Vladimir Romanyuk |
| .GMAP | Garmin | GIS-Dateien | Garmin Map File | Garmin BaseCamp | Garmin |
| .GMC | Blue Marble Geographics | GIS-Dateien | Global Mapper Catalog File | Global Mapper | Blue Marble Geographics |
| .GMF | Leadwerks Software | GIS-Dateien | Leadwerks Game Model File | Leadwerks Game Engine | Leadwerks Software |
| .GMI | GPS Tuner | GIS-Dateien | GPS Tuner Map Calibration Data | MAPC2MAPC | The Thorns |
| .GML | Galdos Systems, Inc. | GIS-Dateien | Geography Markup Language File | Canvas X | ACD Systems |
| .GND | ESRI (Environmental Systems Research Institute) | GIS-Dateien | Geography Network Document | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .GPF | Open Source | GIS-Dateien | Gecko Patch File | Nintendulator | Open Source |
| .GPL | Open Source | GIS-Dateien | GNU Public License Text File | Microsoft Notepad | Microsoft Corporation |
| .GPS | Molecular Devices | GIS-Dateien | GenePix Settings File | GenePix Pro Software | Molecular Devices |
| .GPX | Unknown Developer | GIS-Dateien | GPS Exchange File | Gedit | GNOME |
| .GRI | Petrosys Pty Ltd | GIS-Dateien | Petrosys Grid Data | Petrosys | Petrosys Pty Ltd |
| .GSB | Golden Software LLC | GIS-Dateien | Golden Software Boundary File | Golden Software Surfer | Golden Software LLC |
| .GSF | Nintendo | GIS-Dateien | Game Boy Advance Sound File | Nullsoft Winamp | Nullsoft |
| .GSI | Golden Software LLC | GIS-Dateien | Golden Software Interchange File | Golden Software Surfer | Golden Software LLC |
| .GSR | Golden Software LLC | GIS-Dateien | Golden Software Reference File | Golden Software Surfer | Golden Software LLC |
| .GST | MapInfo Corporation | GIS-Dateien | MapInfo Geoset File | MapInfo Professional | Pitney Bowes |
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