The “.MUS” file extension is commonly associated with music notation files created using Finale, a music notation software. Finale is widely used for composing, arranging, and notating music. MUS files typically contain musical scores, sheet music, or compositions created within the Finale software.

How to open an MUS file:

To open and work with an MUS file, you would generally need the Finale software. Here are the steps:

1. Finale Software:

Programs that may open MUS files:

1. Finale:

Various apps that use files with MUS extension: