The File Extensions Database


.ABU File Extension

  • Developer by: Asus
  • Category: Backup Files

What is an .ABU file?

.ABU is Asus App Backup File

Backup file created by App Backup, an app utility for Asus mobile devices used to backup apps and their data; may contain only data from an application, such as a game record, or data and the application; also includes password protection set by the user.

App Backup can be used to create ABU backup files and restore them as well. If you choose to only backup data, the ABU file will be a manageable size. However, if you choose to include data and the app, the ABU file will be a larger more unmanageable size.

How to solve problems with ABU files

  • Associate the ABU file extension with the correct application. On :
    Windows: Right click on any ABU file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.ABU files". Mac: Right click (or Ctrl-click) the ABU file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .ABU is Asus App Backup File. Because only the current version supports the latest ABU file format. Search, therefore, e.g. on the Asus manufacturer website after an available .ABU is Asus App Backup File update.
  • To make sure that your ABU file is not corrupted or virus-infected, get the file again and scan it with antivirus software.