MM File - opening and understanding

Did your computer fail to open a MM file? We explain what they are used for and recommend software that we know can open or otherwise handle your .MM files.

What is a MM file?

The .mm file extension is most commonly associated with the FreeMind open source mind-mapping software application. The MM files contain visual diagrams that are created with the software. They are commonly used for research, brainstorming, project management and note taking.

The .mm file extension is also used for Meme virtual reality world files, Metamath ASCII database files, MultiMate Advantage II text document files, Groff source in mm format files, Lightscape material map files, Macro Mania macro files, Rise of Nations campaign media files and Apple Xcode core C program files.

How to open MM files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension MM for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different MM openers which you will find listed below.

Suggest another file format using extension MM

While we know of one file format using the .MM file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .MM file.

Various viewers for this file format

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

FreeMindFreeMindUser submitted
XMindXMindUser submitted
FreeplaneFreeplaneUser submitted
CodeWarriorCodeWarriorUser submitted
DocearDocearUser submitted
Autodesk ViewAutodesk ViewUser submitted
CrystalMakerCrystalMakerUser submitted
MaTX-VCMaTX-VCUser submitted
Microsoft Application VirtualizationMicrosoft Application VirtualizationUser submitted
SciPlore MindMappingSciPlore MindMappingUser submitted
We have not verified any software that we know for certain will work with MM-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with MM-files. If you know one, please use the 'Suggest a program' link below and tell us about it!