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DT1 file extension

The table below provides useful information about the .dt1 file extension. It answers questions such as:

  • What is the .dt1 file?
  • What program do I need to open a .dt1 file?
  • How can the .dt1 file be opened, edited or printed?
  • How can I convert .dt1 files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ DTED Level 1 Data

DT1 file is a DTED Level 1 Data. The .dt0, .dt1, and .dt2 are the terrain elevation data files for DTED Level 0, DTED Level 1 and DTED Level 2, respectively.
Category: Data files
Application: ArcGIS
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DT1 aliases:
DT1 related links:
DT1 related extensions:
DTED Level 0 Data

DTED Level 2 Data

Other types of files may also use the .dt1 file extension.

🚫 The .dt1 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

d1, df1, dg1, dt, dtl, dtq, dtw, et1, ft1, rt1, st1, t1, td1, wt1

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

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Proben1 Dataset

🔴 Can't open a .dt1 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .dt1 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .dt1 file extension, write to us!

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