How to open .OSU file extension?

If you cannot open a new file that has been saved in the .OSU format you need to download the appropriate software. The manufacturer of .OSU files is peppy; .OSU files belong to the Game Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .OSU files. Activities performed in the order described should solve the problems with all the files in the .OSU format.

• What is .OSU file?
• How to open .OSU file?
• What is .OSU file?