GM File

What are GM files and how to open them

Are you having problems opening a GM file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your GM files.

What is a GM file?

GM files have multiple uses, and Autologic Bitmap is one of them. Read more about the other uses further down the page.

Autologic Bitmap

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open GM files

Important: Different programs may use files with the GM file extension for different purposes, so unless you are sure which format your GM file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested three different GM openers which you will find listed below.

Last updated: July 13, 2020

All known file formats using extension .GM

While Autologic Bitmap is a popular type of GM-file, we know of 2 different uses of the .GM file extension. Different software may use files with the same extension for different types of data.

Game Music

We know that one GM format is Game Music. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of GM files. Remember, different programs may use GM files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about GM file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.