.MMM File Extension

File created by Music Maker, a music composition program; contains a multitrack arrangement comprised of music clips, transitions, and effects; can combine multiple imported audio formats into a single music composition.

You can export Music Maker arrangements to several different audio formats, including .WAV, .MP3, .OGG, .WMA, and .MOV.

Data file introduced with version 7 of Money Manager, a personal and business finance application; stores financial data for bank accounts, orders, and transactions; used for tracking personal or company finances and can be used for generating reports in the software.

NOTE: Money Manager version 6 uses .MM6 files.