All about OSZ Files

The OSZ file type is primarily associated with osu!.

OSZ	File extension: OSZ
	File type:	archive

What is an OSZ file?

OSZ files mostly belong to osu!. OSZ files are used by the game osu! They are beatmap packages that bundle song maps and all needed media assets into one file.

Format: They are essentially ZIP archives.

Contents: They include beatmap data (.osu files), audio clips, and images used for the gameplay.

Usage: The osu! game reads these files to load new levels automatically.

FilExt.com tips: You can open an OSZ file with the osu! application. If you want to see the internal files, any ZIP extraction tool works. For more details, visit the osu! official site.

How to open OSZ files

You need a suitable software like osu! to open an OSZ file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your OSZ file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a OSZ file directly in the browser:. Just drag the file onto this browser window and drop it.

Online OSZ Text Viewer

Choose your .osz file to analyze

or drag and drop it here

Online File Viewer

✈

Read our privacy guarantee in Filext’s terms and privacy policy

Please allow ads on our site

This helps us keep our servers running. Then re-upload your file to view it.

Click here to see how to disable the ad blocker for filext.com

Programs that open and convert OSZ files:

osu!
See the previous paragraphs to learn more about the main application. OSZ files are often referred to as osu! games because this type of file is primarily created or used by this software.
osu!
An .OSZ file is a compressed archive used in the rhythm game osu!. It contains a beatmap package, which includes all the necessary data for playing a specific song, such as the music track, beatmap data, background image, and storyboard elements. These beatmaps define the rhythm, notes, and patterns that players must follow during gameplay. This file format is classified as Game Data.

Technical Data for OSZ File Extension

File classification:

Game

Related files:

osu, osr, osk, osb, zip, rar, 7z

Mime type:

application/x-osu-beatmap-archive

an osz archive is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with OSZ files

Associate the OSZ file extension with the correct application.
Update your software that should actually open archives. Because only the current version supports the latest OSZ file format. Search, therefore, e.g. on the manufacturer website after an available osu! update.
To make sure that your OSZ file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .OSZ file online - secure, fast, and no downloads needed.