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

Details of extension .osu

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

Below, you can find answers to the following questions:

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

Osu! Script

The OSU file is an Osu! Script. Osu! is a freeware rhythm game originally for Microsoft Windows.
Category: Game Data files
Application: Osu!
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Osu! Skin File
Osu! Replay File
Osu! Beatmap Script

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

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

InstallShield Uninstall Script
LANsurveyor Map
ObjectScript Source Code
IBM InfoSphere Schema Data
Osiris Data
Osu! Skin File
PSU Designer Document
WRAP Simulation Results Output Data
SUwin Project

The .osu filename extension is often given incorrectly!

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

su (1), psu (1), osi (1), os (1), isu (1), sou (1), osk (1), osh (1), lsu (1)

Can't open a .osu file?

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

Windows can't open this file:

File: example.osu

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