MakeMusic Music File
MUS is a file extension for a music notation file format used by MakeMusic notation programs such as Finale. An MUS file includes only music notation, not audio data. MUS file data is in a MIDI format.
Programs that open MUS files include various versions of MakeMusic Finale.
Learn more about MUS files:
Visit the music notation areas of the MakeMusic website.
Ask an IT peer MUS-related questions at IT Knowledge Exchange.