A daily updated filename extension database!

MMDL file extension

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

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

✅ Sapphire Structure Model Data

MMDL file is a Sapphire Structure Model Data. Sapphire Structure is a tool built specifically for MiTek's wall panel customers.
MMDL format description not yet available
Category: Data files
Application: Sapphire Structure
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
MMDL aliases:
MMDL related links:
MMDL related extensions:

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

🚫 The .mmdl file extension is often given incorrectly!

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

hmdl, mdl, mmd, mml

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Cognos Exported Model Data
Simulink Model
Bentley MicroStation MDL Program
Valve Source Model Data
3D Gamestudio Model Data
Quake 3D Model Data
STAR-CD v4 Model Data
Digitrakker Music Module
Humus 3D Model Data
Mangodata Database

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

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