Opening a MUS File

The MUS file type is primarily associated with Finale.

MUS	File extension: MUS
	File type:	musical score file

What is a MUS file?

MUS files mostly belong to Finale.

Overview: An MUS file is a digital music score file that stores musical notation data rather than a direct audio recording. It contains instructions such as notes, dynamics, timing, and instrument assignments that can be read by suitable music software.

Primary Use Case: Most MUS files are generated by Finale. These files hold detailed score information and are used by composers to edit, display, and print sheet music. For more details, visit the Finale website.

Other Relevant Uses:

For older DOS games, some MUS files store MIDI data to trigger music during gameplay using systems like the Miles Sound System.
They may appear as variations of MIDI notation files, adapted either for formal music scoring or for game audio playback.

Functionality: The file does not contain recorded sound but acts as a set of instructions. When opened with the correct software, these instructions produce a visual representation of the musical score or generate MIDI sequences for playback. By matching the file to its intended application—whether a score editor like Finale or a compatible MIDI player—users can properly view and use the musical data stored within a MUS file.

FilExt.com tip: If a MUS file does not open as expected, consider checking its source to decide whether to use a notation software or a MIDI/game audio tool.

How to open a MUS file

You need a suitable software like Finale to open a MUS file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your MUS file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a MUS file directly in the browser:. Just drag the file onto this browser window and drop it.

Online MUS Text Viewer

Choose your .mus file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert MUS files:

Finale
See the previous paragraphs to learn more about the main application. MUS files are often referred to as Finale audios because this type of file is primarily created or used by this software.
Finale (Music Score) by MakeMusic!
Software for composing, arranging, teaching and publishing music. The identifying characters used for this association are - Hex: 45 4E 49 47 4D 41 20 42 49 4E 41 52 59 20 46 49 4C 45 00, ASCII: ENIGMA.BINARY.FILE. Related links: MusicTime Deluxe
Harmony Assistant, Melody Assistant, Myriad Music plug-in, Melody Player (Music File) by MYRIAD
This extension changed to .MYR in April 2003. The Mime types used with this association are: application/x-myriad-music. The identifying characters used for this association are - Hex: 53 4F 4C 46, ASCII: SOLF. This file format is classified as Audio.
Infinity Game Engine (Music Control File) by BioWare Corp.
ASCII text file. This file format is classified as Game.
MusicTime/Doom
The identifying characters used for this association are - Hex: 4D 55 53 1A, ASCII: MUS.
SCORE Music Publishing System (Music Notation File) by San Andreas Press
The SCORE music printing system is intended to facilitate the creation of virtually any page of standard music notation with a final quality equal to that of true engraving. Most of the shapes used in music printing are found in the SCORE drawing library. Any unusual musical symbols may be added to the library. Related links: Score Preview: A Viewer for Score Music Files

MUS file format:

Every file has a defined file format, i.e. how the data is arranged in the file. A file format is determined by the file extension and signature, so JPEG images have the extension .jpg and the first bytes in the file are ÿØÿ. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. So you need a detailed analysis of a file to find out the format and the associated program. Our examination of the MUS files comes to the following conclusion:

The MUS file extension is quite widespread and is used by a few programs, each with its own file format. The file formats most commonly found in MUS files are:

65% of all MUS files are Finale files. If you open these files in a text editor, you will see only illegible characters. The average file size is 57 KB with most files being between 36 KB and 94 KB in size. The file type is old but is used even today. The keywords ENIGMA BINARY FILE, Copyright, Finale and MakeMusic are typical for these files. Such MUS files store data about piano, trumpet, alto, score, song, pokemon, music, violin and solo.
3% of all MUS files start with the bytes MT crucial for this file format. They consist of unreadable binary data. The files are often between 6 KB and 75 KB in size. The files contain the following words: MTIW.

The remaining 32% of all MUS files are different files with different signatures, often e.g. Doom/Heretic music, Myriad Harmony / Melody assistant music, Mac2OSX, cqt, SCHl, suo, Mus, DUIT, hIk, path and HTF. These files sometimes refer to where, theme, flute, major, mario, cello, bass or love. You can get all the details of your MUS file by dragging it onto this page or by clicking the button "Choose your .mus file to analyze" above.

Technical Data for MUS File Extension

File classification:

Audio

Identifier:

Hex: 45 4E 49 47 4D 41 20 42 49 4E 41 52 59 20 46 49 4C 45 00, ASCII: ENIGMA.BINARY.FILE (provided by TrID database)

Related files:

mid, midi, musx, mxl, score, mpf, zip, ogg, pdf, rar, mjs, music, cgo, map, snd, bak, big, muc, dgo, mscz, msu, xml, png, asv, fan

Related links:

MusicTime Deluxe

Mime type:

application/vnd.musician, application/vnd.makemusic.notation

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: Winamp.File, FileType: Winamp media file, AppName: Winamp
EXEFile: winamp.exe

ProgramID: Fichier_Harmony_Assistant
EXEFile: F:\Harmony\Harmony.exe %1

ProgramID: FinaleBinary
EXEFile: %ProgramFiles%\Finale 2002\FINALE.EXE %1

ProgramID: FinaleBinary
EXEFile: C:\XPB-Audio\Finale 2005\finale.exe %1%

ProgramID: Harmony_Assistant_File
EXEFile: %ProgramFiles%\Harmony Assistant\harmony.exe %1

ProgramID: Winamp.File
EXEFile: %ProgramFiles%\Winamp\Winamp.exe %1

ProgramID: Winamp.File
EXEFile: C:\Documents and Settings\mizM\Desktop\My Shared Folder\To

ProgramID: FinaleBinary
EXEFile: %ProgramFiles%\Finale NotePad 2003a\FinaleNotePad.exe %1%

ProgramID: FinaleBinary
EXEFile: C:\Documents and Settings\Acid Mic\My Documents\Finale 2002\FINALE.EXE %1

ProgramID: FinaleBinary
EXEFile: %ProgramFiles%\PrintMusic! 2004 Demo\PrintMusic.exe %1%

ProgramID: FinaleBinary
EXEFile: C:\Documents and Settings\Administrator\Desktop\Stephen's Stuff\finale\finale\FinaleNotePad.exe %1

ProgramID: musfile
EXEFile: C:\Make Music\musette.exe %1

ProgramID: FinaleBinary
EXEFile: %ProgramFiles%\Finale NotePad 2005a\FinaleNotePad.exe %1%

ProgramID: FinaleBinary
EXEFile: %ProgramFiles%\Finale Guitar 2003\Finale Guitar.exe %1%

ProgramID: FinaleBinary
EXEFile: %ProgramFiles%\Finale 2004b FR\FINALE.EXE %1

ProgramID: mus_file
EXEFile: %ProgramFiles%\midi\musical.exe

ProgramID: FinaleBinary
EXEFile: %ProgramFiles%\Finale 2006\finale.exe%

ProgramID: FinaleBinary
EXEFile: %ProgramFiles%\Finale NotePad 2003\FinaleNotePad.exe%

ProgramID: FinaleBinary
EXEFile: %ProgramFiles%\Finale NotePad 2006\FinaleNotePad.exe%

ProgramID: Melody_Assistant_File
EXEFile: %ProgramFiles%\Melody Assistant\melody.exe

ProgramID: FinaleBinary
EXEFile: %ProgramFiles%\Finale NotePad 2007\FinaleNotePad.exe%

ProgramID: FinaleBinary
EXEFile: %ProgramFiles%\Finale 2004\finale.exe%

ProgramID: FinaleBinary
EXEFile: C:\Documents and Settings\user\My Documents\Finale NotePad 2007\FinaleNotePad.exe%

Show all 23 listings To Top

a mus musical score file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with MUS files

Associate the MUS file extension with the correct application.
Update your software that should actually open musical score files. Because only the current version supports the latest MUS file format. Search, therefore, e.g. on the manufacturer website after an available Finale update.
To make sure that your MUS file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .MUS file online - secure, fast, and no downloads needed.