A dt1 file extension is associated with the DTED Digital Terrain Elevation Data level 1 file format.

There is one other file type using
the DT1 file extension!

dt1 icon.dt1 - Diablo II tile file

Detailed description

Software that open dt1 file

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DT1 file extension - DTED Digital Terrain Elevation Data level 1

What is dt1 file? How to open dt1 files?

File type specification:

GIS, GPS navigation and map file type icon GIS, GPS navigation and map file type

The dt1 file extension is used for DTED (Digital Terrain Elevation Data).

DTED Level 1 is the basic medium resolution elevation data source for all military activities and systems that require landform, slope, elevation, and/or gross terrain roughness in a digital format.

Updated: June 6, 2019

The default software associated to open dt1 file:

ArcGIS icon

Esri logoArcGIS  Microsoft Windows software

Company or developer:
Esri

ArcGIS is a group of GIS (Geographic Information System) applications developed by ESRI. rcGIS for Desktop is available in three license level Basic, Standard, and Advanced (formerly ArcView, ArcEditor and ArcInfo).

Help how to open:

Use ArcGIS to open *.dt1 files.

How to convert:

Probably can be exported to other formats.

List of recommended software applications associated to the .dt1 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open dt1 file, edit dt1 file, convert dt1 file, view dt1 file, play dt1 file etc. (if exist software for corresponding action in File-Extensions.org's database).

dt1 file viewer - programs that view dt1 file - DTED Digital Terrain Elevation Data level 1

Programs supporting the exension dt1 on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for view dt1 file action.

Microsoft Windows:

Main software associated with dt1 file by default:
ArcGIS small icon ArcGIS
Other suggested software:
Global Mapper

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