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

Details of extension .cso

Below, you can find answers to the following questions:

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

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

CSO Compressed PSP ISO Image .cso file icon

CSO Compressed PSP ISO Image

CSO file is a CSO Compressed PSP ISO Image. CSO is used to compress dumped Sony PlayStation Portable (PSP) UMD games.
Category: Disk Image files
Application: ISO Compressor
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
CDRWIN Binary Data File
DiscJuggler CD Image
WinImage Disk Image
CloneCD Image
ISO 9660 Cd-Rom Disk Image
CDRWIN Cue Sheet File
Direct Access Archive
CloneCD Image Information
CloneCD Sub Channel Data

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

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Microsoft IIS Schema Backup
OMSI Scenery Object File
SymbianOS Dynamic Shared Object
DAZ Studio Object
Unix Shared Library
Cult3D Object
CineStyle Color Lookup Settings
ChessDB Saved Search Options
Concept Server Page

The .cso filename extension is often given incorrectly!

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

sco (28), dso (26), csp (20), cos (8), so (7), cs (6), co (6), sso (5), csl (5), csi (4), cco (3), ceo (2), vso (2), fso (1), csk (1)

Can't open a .cso file?

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

Windows can't open this file:

File: example.cso

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, Windows 7, Windows 8, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

Rate this page

5 / 5 based on 23 user ratings.