File extension MMF (.MMF) information

If Windows is unable to open MMF files you may not have the appropriate program installed or may have a registry related error. We strongly recommend that you run a free registry scan.

Appropriate program:

This extension is associated with Synthetic Music Mobile Application Format, which is a sound file for portable electronic devices. Although it resembles MIDI, and is most commonly used for ringtones, this format also supports text or graphics displays.. Incorrect associations are the cause of many file extension errors. Scan your system to prevent and identify association errors.

• Performance: To optimize memory and CPU usage for MMF files run a free performance scan.
• Stability: Fix MMF errors to make your system and applications more stable.
• Drivers: Scan your PC for the outdated drivers which lead to system errors and slowdowns.