.MUS File Extension

id Software
File Type:
Doom Music File

Having trouble opening .mus extension? Don't panic! This page explains what mus files are as well as suggests programs you may use to open mus files. You can download these programs through this page.

What is a MUS file?

Mus file extension has Doom Music file type, developed by id Software, which is associated with the "audio files" category.

Typically used by Doom (or other games that are written with the original Doom engine), the file is used to play sound tracks within the game. 
MUS files are quite similar to .MIDI files; however, they are limited to only 9 channels and a 65KB file size.

To learn how you can open the given file, read the information below.

mus file icon
id Software
File Type:
Doom Music File
Audio Files

How to open MUS file?

Double click the mus file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .mus extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the mus extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the mus file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open MUS files

  • Windows Windows
    • id Software Doom id Software Doom
    • Slade Slade
    • ZDoom ZDoom
    • GZDoom GZDoom
    • Nullsoft Winamp with MIDI plug-in Nullsoft Winamp with MIDI plug-in
    • XMPlay XMPlay

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the mus file as well. Download Universal File Viewer for your OS.

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