.MSCX File Extension

MuseScore Music Score File

Developer The MuseScore Team
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What is an MSCX file?

An MSCX file is a music score created by MuseScore, a free music composition and notation program. It contains a music composition, including instruments, key signatures, music notes, and time signatures, in the XML standard. It also stores other composition information, such as the title, composer, and copyright information.

More Information

Screenshot of a .mscx file in MuseScore 4.3
MSCX file open in MuseScore 4.3

The standard save format MuseScore uses to save scores is the MuseScore Compressed Score (.MSCZ) format. When you save a score in the is format (by selecting File → Save, MuseScore creates an MSCX file to store the score, and Zip compresses it as an MSCZ file along with other resource files, such as .JSON files and .PNG thumbnails.

NOTE: MuseScore introduced MSCX files in version 0.9.5 due to a file association conflict in Windows. Earlier MuseScore versions use the .MSC file extension.

How to open an MSCX file

You can open MSCX files with MuseScore in Windows, macOS, and Linux. To open an MSCX file with MuseScore, select File → Open.

Since MSCX files store information in the XML standard, you can open them with an XML or plain text editor. Some options include SyncRO Soft oXygen XML Editor, Microsoft XML Notepad, Microsoft Notepad, or Apple TextEdit.

How to convert an MSCX file

MuseScore can convert MSCX files to various file types, including the following formats:

  • .PDF - Portable Document Format
  • .PNG - Portable Network Graphic
  • .SVG - Scalable Vector Graphic
  • .MP3 - MP3 Audio
  • .WAV - WAVE Audio
  • .OGG - Ogg Vorbis Audio
  • .FLAC - Free Lossless Audio Codec File
  • .MIDI - MIDI Music Data
  • .MUSICXML - MusicXML File
  • .MSCZ - MuseScore Compressed Score File
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Programs that open MSCX files

Windows
Mac
Linux

Verified by FileInfo.com

The FileInfo.com team has independently researched the MuseScore Music Score file format and Mac, Windows, and Linux apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

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