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DXT1 file extension

The table below provides useful information about the .dxt1 file extension. It answers questions such as:

  • What is the .dxt1 file?
  • What program do I need to open a .dxt1 file?
  • How can the .dxt1 file be opened, edited or printed?
  • How can I convert .dxt1 files to another format?

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

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

✅ Microsoft DirectX Compressed Texture Data

DXT file is a Microsoft DirectX Compressed Texture Data. DirectX is a collection of APIs designed to allow development of games and multimedia applications on Microsoft platforms.
DXT format description not yet available
Category: Graphic files
Application: DirectX SDK
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DXT aliases:
dxt1, dxt2, dxt3, dxt4, dxt5
DXT related links:
DXT related extensions:
Microsoft DirectX DirectDraw Surface

Microsoft DirectX D3D Vertex Shader

Microsoft DirectX D3D Compiled Vertex Shader

PowerVR Texture

Microsoft DirectX D3D Compiled Pixel Shader

Other types of files may also use the .dxt1 file extension.

🚫 The .dxt1 file extension is often given incorrectly!

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

dt1, dx1, dxt

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

DTED Level 1 Data
Linguistica 5 Dictionary Data
Microsoft DirectX Compressed Texture Data
JCAMP-DX Format Data

🔴 Can't open a .dxt1 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 .dxt1 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 .dxt1 file extension, write to us!

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