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MMM files: All you need to know

How to open files with extension MMM

MMM File

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

What is a MMM file?

A .MMM file is an Adobe Type Manager Multiple Master Metrics file. Through our analysis of MMM files, we know that one use of the format is Adobe Type Manager Multiple Master Metrics. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

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Upload example file

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

What else are .MMM files used for?

While Adobe Type Manager Multiple Master Metrics is a popular type of MMM-file, we know of 2 different uses of the .MMM extension.

The MMM file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a MMM opener may not be able to open all kinds of MMM files. In this case, look through both formats to make sure you find the best suited MMM viewer.

MultiMedia Movie format video

Through our analysis of MMM files, we know that one use of the format is MultiMedia Movie format video. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

Update info
Upload example file

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Various MMM file openers, viewers, etc.

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

We have not verified any software that we know for certain will work with MMM-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 MMM-files. If you know one, please use the 'Suggest a program' link below and tell us about it!