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Details of the .mtl file extension

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

  • What is the .mtl file?
  • What program do I need to open a .mtl file?
  • How can the .mtl file be opened, edited or printed?
  • Where can I find the specifications for .mtl?
  • Which MIME-type is associated with the .mtl extension?
  • How can I convert .mtl files to another format?
  • What are other, similar filename extensions to .mtl?

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

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

.mtl file extension details

Alias Wavefront Material Data

Alias Wavefront Material Data .mtl file icon
MTL file is an Alias Wavefront Material Data. Material library files contain one or more material definitions, each of which includes the color, texture, and reflection map of individual materials. These are applied to the surfaces and vertices of objects. Material files are stored in ASCII format and have the .mtl extension.
MTL format description not yet available
Category: Graphic files
Application: Autodesk Maya
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
MTL aliases:
MTL related links:
MTL related extensions:
Alias Wavefront Picture

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

.mtl file extension error

The .mtl file extension is often given incorrectly!

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

tl, mlt, htl, mhl, mtk, ml, mgl, jtl, mti, mfl, myl, ltl, mtm, mto, tml

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

OpenTL Data
mAirList Desktop Template
HTL Source
Media Hash List
Age of Empires 2 Replay
MPU-401 Trakker Module
OCaml Source Code
ModFit LT Analysis Report
Apache JMeter Data
MadTracker Instrument
open .mtl file

Can't open a .mtl 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 .mtl file association, check the FAQ.

.mtl file extension

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 .mtl file extension, write to us!

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