OSB File Extension

OSB file extension is created by peppy, also known as Osu! Storyboard File. OSB has been classified as Game Files. You can open and render the contents of this file in a Text Editor. You can open OSB files in osu! program.

Osu! Storyboard File Type

Osu! Storyboard File Type

Extension	.osb
Developer	peppy
Popularity	Very Common Common Average Uncommon Rare 5.0 (21 Votes) Thank you for voting!Already voted, thanks!
Mime Type	mime-type/not.available
Default Program	osu!
Category	Game Files
Format	Text
Updated	6/1/2025

What is a OSB File Type?

The OSB files are located in the same Beatmaps folder; the installation of the game osu! as the OSZ file they are associated with. Typically, the installation is C:\ Program files\ where you are!\ Beatmaps\, but you may have to create the directory manually.

Free online OSB Tools & Apps

We have also the free online .OSB (Osu! Storyboard File) file extension apps that can allow to view, edit, convert from to OSB, merge, split and compare the OSB files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.

OSB Files Common Issues

There are few common issues with the Osu! Storyboard File .OSB File Extensions while opening the .OSB files on Windows and MacOs, we have solution to those issues such as:

Can't Open OSB Files?

1. You must have supported software programs installed for Osu! Storyboard File on your system such as osu!.
2. Associate default Osu osu! program for *.osb (Osu! Storyboard File) files.
   
   

   Associate OSB Default Program on Windows

   1. Right-click a *.OSB (e.g example.osb) file and click Open With.
   2. In the Open with dialog box, click Osu osu! program Or click Browse to locate the program (*.exe) that you want.
   3. Select check box for Always use this app to open .osb files.
   
   

   Associate OSB Default Program on MacOs

   1. Click *.OSB (e.g example.osb) file and click information -> Open With.
   2. In the programs list, click Osu osu! program Or other appropriate program that you want.
   3. Confirm Change for all... and Contine.
   4. A message will appear "This change will be applied to all files with .osu! extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related OSB File Extensions

OSB default file extension is .OSB and other similer related extensions are:

All Platform Software Programs for OSB File Extension

List of all softwares that can open the OSB files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Open OSB File on Windows

	Software	License	Developer
	Merkaartor 0.18 for Windows	Freeware	Merkaartor
	osu! 000 for Windows	Free	osu!

Open OSB File on Mac OS

	Software	License	Developer
	Merkaartor 0.18 for MacOs	Freeware	Merkaartor

Open OSB file on Linux

	Software	License	Developer
	Merkaartor 0.18 for Linux	Freeware	Merkaartor

Open OSB file on Web

	Software	License	Developer

Open OSB file on iOS

	Software	License	Developer

Open OSB file on Android

	Software	License	Developer

About Licensing

1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
3. Free⁺ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

About OSB - Osu! Storyboard File

Updated 6/1/2025

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