MM File Type

- The quick facts

What are MM files and how to open them

Are you having problems opening a MM file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a MM file?

MM files have multiple uses, and FreeMind Mind-Map Project is one of them.

FreeMind Mind-Map Project

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 widely used for research, brainstorming, project management, and note-taking.

How to open MM files

We have identified 2 MM openers that are compatible with this specific type of MM file.

Programs that open FreeMind Mind-Map Project files


Last updated: March 24, 2022

More file formats using the MM extension

Through our research of MM files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • Freeplane Mind-Map Project
  • MatrixMarket Matrix Data
  • Melody Maker Song
  • Money Matters Data File
  • NeXtMidas Macro

Various apps that use files with this extension

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.

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
TurboCADTurboCADUser submitted
Metrowerks CodeWarriorMetrowerks CodeWarriorUser submitted

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