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VMT file extension

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

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

✅ Valve Source Material Data

VMT file is a Valve Source Material Data. The Source engine is a 3D game engine developed by Valve Corporation. It debuted in October 2004 with Half-Life 2. A material is a .vmt text file that defines a two-dimensional surface. It contains all of the information needed for Source to simulate the surface visually, aurally, and physically. VMT stands for "Valve Material Type".
Application: Valve Source SDK
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
VMT aliases:
VMT related links:
VMT related extensions:
Valve Source Texture Data

Valve Source Collision Model Data

Valve Source Model Data

Valve Source Model Animation Data

Valve Source Mesh Strip Data

Valve Source Model Vertex Data

Valve Source Flex Animation Data

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

🚫 The .vmt file extension is often given incorrectly!

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

bmt, cmt, dmt, fmt, gmt, mt, mvt, vkt, vlt, vm, vmf, vmg, vmr, vnt, vt

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

vMessage Text
vNote Text
BrainVoyager QX MRI Data
Chinon ES-1000 Image
E-Sword v8 Commentary Data
OCaml CMT Data
Alpha Five Image Library
Video Karaoke Text
rFactor Model
Lotus 1-2-3 Worksheet Formatting Data

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

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