MMF File

What are MMF files and how to open them

Are you having problems opening a MMF 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 MMF file?

MMF files have multiple uses, and Yamaha Synthetic-Music Mobile Application Format Audio is one of them. Read more about the other uses further down the page.

Yamaha Synthetic-Music Mobile Application Format Audio

MMF is an acronym for Mobile Music Format. Files that contain the .mmf file extension store Yamaha SMAF sound format files. The MMF file format was created for mobile devices.

The MMF files most often contain cell phone ring tones, but they can also other objects, such as graphics and text, as well as audio data.

MMF files can be created from WAV and MID files using the Yamaha SMAF tools.

How to open MMF files

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

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

Last updated: December 27, 2022

All known file formats using extension .MMF

While Yamaha Synthetic-Music Mobile Application Format Audio is a popular type of MMF-file, we know of 3 different uses of the .MMF file extension. Different software may use files with the same extension for different types of data.

MathMagic Equation File

We know that one MMF format is MathMagic Equation File. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

MMF opener for Windows

We have identified one MMF opener that is compatible with this specific type of MMF file.


More file formats using the MMF extension

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

  • Meal-Master Format Recipe

Various apps that use files with this extension

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

Any Video ConverterAny Video ConverterVerified
Total Video ConverterTotal Video ConverterUser submitted
YAMAHA MidRadio PlayerYAMAHA MidRadio PlayerUser submitted
E.M. Total Video PlayerE.M. Total Video PlayerUser submitted
Total Video PlayerTotal Video PlayerUser submitted
progeCAD ProfessionalprogeCAD ProfessionalUser submitted
NiceLabelNiceLabelUser submitted
iTunesiTunesUser submitted
GOM PlayerGOM PlayerUser 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 MMF file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.