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| Extension | File Type Developer | File Category | File Type Description | Software | Software Developer |
|---|---|---|---|---|---|
| .AFL | Piotr Fusik | Raster Image Files | AFLI-editor Picture Image | XMap | Garmin |
| .AFP | Garmin | GIS Files | XMap Flight Plan Statistic File | XMap | Garmin |
| .DMT | DeLorme | GIS Files | XMap Transfer File | XMap | Garmin |
| .FIT | Garmin | GIS Files | Garmin Activity File | Garmin Connect | Garmin |
| .GDB | Garmin | Database Files | GPS Database File | Garmin BaseCamp | Garmin |
| .GMAP | Garmin | GIS Files | Garmin Map File | Garmin BaseCamp | Garmin |
| .GPI | Garmin | Data Files | Garmin Point Of Interest File | Garmin POI loader | Garmin |
| .GPX | Unknown Developer | GIS Files | GPS Exchange File | MapSource | Garmin |
| .HDS | Parallels | Disk Image Files | Parallels Desktop Hard Disk File | XMap | Garmin |
| .IMG | Unknown Developer | Disk Image Files | Disk Image Data File | Garmin Mobile | Garmin |
| .IRV | DeLorme | GIS Files | XMap Workfile File | XMap | Garmin |
| .JNX | Oliver Eichler | GIS Files | BirdsEye JNX Raster Map | Garmin BaseCamp | Garmin |
| .PPC | Garmin | GIS Files | XMap Flight Plan Statistic File | XMap | Garmin |
| .RGN | Garmin | GIS Files | Garmin Regional Data File | MapInstall | Garmin |
| .ROU | Gerber Technology | Data Files | Gerber Route File | MapSource | Garmin |
| .RTE | Autodesk, Inc. | Data Files | Revit Project Template | MapSource | Garmin |
| .SUM | AmsterCHEM | Data Files | Scilab Unit Operation Model File | Garmin Connect | Garmin |
| .TCX | Garmin | Data Files | Training Center Database File | Garmin Connect | Garmin |
| .TRG | Symantec Corporation | Data Files | Symantec LiveUpdate File | XMap | Garmin |
| .TRK | TwoNav | Data Files | CompeGPS Land Track File | Garmin Connect | Garmin |
| .UNL | Garmin | Uncommon Files | Garmin Unlock File | MapSource | Garmin |
| .VPM | Garmin | Audio Files | Garmin Voice File | Garmin Voice Utility | Garmin |
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