| File Extension: | DT1 |
| File Type Description: | DTED Level 1 File |
| File Type Developer: | National Geospatial-Intelligence Agency |
| Primary Associated Software: | ESRI ArcGIS for Desktop |
| Primary Software Developer: | ESRI (Environmental Systems Research Institute) |
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Blue Marble Geographics developed the DTED Level 1 File file type when the Global Mapper was initially released. According to our internal data, DTED Level 1 File files are most popular with users in Japan, with a majority of them running Windows 10. Most of these users are running the Google Chrome web browser.
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .IMD | Various Developers | GIS Files | GIS Image Metadata File |
| .J2W | ESRI | GIS Files | ArcExplorer World |
| .ETA | GIS Files | Google Earth Placemark File | |
| .JPR | Microsoft Corporation | Text Files | WordPad Document |
| .EAZ | ESRI (Environmental Systems Research Institute) | Data Files | ArcGIS Explorer Add-in File |
| .006 | bhv | Data Files | Winfunktion Mathematik V8.0 Julia Fractal File |
| .ECW | ESRI (Environmental Systems Research Institute) | Raster Image Files | Enhanced Compression Wavelet Image |
| .FLT | Presagis | 3D Image Files | OpenFlight Scene Description File |
| .RDF | Unknown Developer | Settings Files | Resource Description Framework File |
| .TAB | Microsoft Corporation | Text Files | Tab Separated Data File |
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