OSZ2 file extension
The table below provides useful information about the .osz2 file extension. It answers questions such as:
- What is the .osz2 file?
- What program do I need to open a .osz2 file?
- How can the .osz2 file be opened, edited or printed?
- How can I convert .osz2 files to another format?
Table of Contents
- ✅ osu! Game Data
- 🔄 .osz2 file converters
- 🚫 .osz2 file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ osu! Game Data

The OSZ2 file is an osu! Game Data. osu! is a rhythm game primarily developed, published and created by Dean Herbert.
Other types of files may also use the .osz2 file extension.
🚫 The .osz2 file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .osz2 file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows cannot open this file:
example.osz2
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .osz2 file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .osz2 file extension, write to us!