.404 File

The 404 file extension is used for a 16-bits mono sound files, which contains loops, names, articulation, sample start & end offsets or multiple filter types.

Muon DS404 was computer program for composing music.

This 404 file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

How to open:

Use Awave Studio to work with Muon DS404 sounds.

How to convert:

Awave Studio is able to export *.404 files to other formats.