- Extension
- .m4a
- .muse
- Format
- Binary
- Text
- Category
- Audio
- Document
- Developer
- Apple
- John Wiegley
- Description
- An M4A file is an audio file created in the MPEG-4 format, a multimedia container format used to store compressed audio and video data. It contains audio encoded with either the Advanced Audio Coding (AAC) codec or the Apple Lossless Audio Codec (ALAC).
- Emacs Muse is a lightweight markup language and authoring tool for Emacs, used to write structured documents that can be published to formats like HTML, LaTeX, and PDF. The .muse extension denotes a plain text file written in this markup syntax.
- MIME Type
- audio/mp4
- text/x-muse
