Having problems opening a MMF file?

We have programs that can open or convert your MMF files.

Opening MMF files

Did your computer fail to open a MMF file? We explain what MMF files are and recommend software that we know can open or convert your MMF files.

What is a MMF file?

MMF is an acronym for Mobile Music File. 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 by using the Yamaha SMAF tools.

The .mmf file extension is also used by the Windows NT mail client. These MMF files contain collections of email messages that can be exported into the PST file format using the Microsoft Exchange software application.

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About File Extension MMF

File.org aims to be the go-to resource for file type- and related software information. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.

If you have additional information about the MMF file format or software that uses files with the MMF suffix, please do get in touch - we would love hearing from you.