.OBB File Extension

File Type:
Android Opaque Binary Blob File

Having trouble opening .obb extension? Don't panic! This page explains what obb files are as well as suggests programs you may use to open obb files. You can download these programs through this page.

What is a OBB file?

Obb file extension has Android Opaque Binary Blob file type, developed by Google, which is associated with the "data files" category.

Some Android apps from the Google Play store use files with this extension. They are used to store additional application data missing from the main .APK file. It can create graphic files, media files, or large application assets. OBB files use an encrypted format.

To learn how you can open the given file, read the information below.

obb file icon
File Type:
Android Opaque Binary Blob File
Data Files

How to open OBB file?

Double click the obb file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .obb extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the obb extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the obb file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open OBB files

  • Web Web
    • Google Play Developer Console Google Play Developer Console

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the obb file as well. Download Universal File Viewer for your OS.

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