Mmf extension stands for Synthetic Music Mobile application file. You can open mmf files with YAMAHA SMAF tools.
These are the audio file formats which created by Yamaha. It is specially developed for using with cell phones. Mmf files can display texts and images in addition to cell phone melodies.
You can create these files from Wav and Mid files by using Yamaha smaf tools. You can check its web page.You should check converters section first.
What to use mmf
Yamaha SMAF Tools
which page related to mmf file
mmf Related Searches
You can check related links about mmf fileextension.