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

Details of extension .obb

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

Below, you can find answers to the following questions:

  • What is the .obb file?
  • Which program can create the .obb file?
  • Where can you find a description of the .obb format?
  • What can convert .obb files to a different format?
  • Which MIME-type is associated with the .obb extension?
Android Opaque Binary Blob File .obb file icon

Android Opaque Binary Blob File

The OBB file is an Android Opaque Binary Blob File. OBB files are used to provide additional file assets for Android applications (such as graphics, sounds and video), separate from an application's APK file.
Category: Archive files
Application: Android SDK
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Symbian Install Package
Nokia Phone Add-on Software
SymbianOS Compiled Resource
SymbianOS Compiled Application
Symbian Series 3 Install Package
S60 Web Runtime Widget Package
Android Application Package
SymbianOS Pre-processed Resource
SymbianOS Resource Header

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

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Bob Raytracer Image
ImgBurn Project
Jetico BestCrypt Key Block Backup
LB Booster Program
IBM LinkWay Object
OsmAnd Offline Map File
ZBrush Mesh Data
Hitachi Ladder Editor Object Program

The .obb filename extension is often given incorrectly!

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

obf (1), lbb (1), ibb (1), bb (1), ovb (1), ofb (1), obn (1), obg (1), ob (1), kbb (1), bob (1), pbb (1), onb (1), obv (1), obh (1)

Can't open a .obb file?

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

Windows can't open this file:

File: example.obb

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