The MMF file format is used to signify data files in the Microsoft Exchange email messaging program. MMF files can be accessed and edited with the appropriate software.The MMF file extension is also used to signify synthetic music mobile application files on Yamaha Group mobile device applications.
These files can contain instruments parameters of three types: FM (using FM-synth), PCM (using wavetable synth) and Stream PCM (longer audio clips)Yamaha SMAF sound file format created for mobile devices; commonly used for cell phone ring tones, but also supports the display of text and graphics; can be created from .WAV or .MID files using Yamaha SMAF Tools. Addtional information about the SMAF format, as well as tools for creating and playing SMAF files, are available from Yamaha's SMAF Global website.
Configuration file used by McAfee anti-virus software.
File extension used Microsoft Exchange Server for mail messages.