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GMM file extension

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

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

✅ Global Mobile Media

GMM file is a Global Mobile Media.
GMM format description not yet available
Category: Video files
Application: GMT Player
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
GMM aliases:
GMM related links:
GMM related extensions:
Global Mobile Television

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

🚫 The .gmm file extension is often given incorrectly!

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

bmm, fmm, ghm, gjm, glm, gm, gmk, gml, gmn, hmm, mgm, mm, nmm, rmm, tmm

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Girder Plugin
Geography Markup Language Document
GameMaker Studio GML Script
Nightmare Module
Bleeper Music Maker Music
Game Maker 7.x Data
Watershed Modeling System GHM Data
RAM Metafile
MGMaps Map

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

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