Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .404

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .404 file?
  • Which program can create the .404 file?
  • Where can you find a description of the .404 format?
  • What can convert .404 files to a different format?
  • Which MIME-type is associated with the .404 extension?
Muon DS404 Audio Bank .404 file icon

Muon DS404 Audio Bank

The 404 file is a Muon DS404 Audio Bank. DS-404 is a quite powerful sampler developed by Muon Software.
Detailed description not available
Category: Audio files
Application: Muon DS404
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:

Other types of files may also use the .404 file extension. If you have helpful information about .404 extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Expert Witness Format Image
MicroStation Modification System Resource File
TaxCut Federal Data

The .404 filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

44 (1), 044 (1)

Can't open a .404 file?

If you want to open a .404 file on your computer, you just need to have the appropriate program installed. If the .404 association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.404

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android