.ABBU File Extension

File Type:
Address Book Backup

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

What is an ABBU file?

Abbu file extension has Address Book Backup file type, developed by Apple, which is associated with the "backup files" category.

Associated with the Apple Address Book, the backup file saves the default address book, allowing it to be restored.

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

abbu file icon
File Type:
Address Book Backup
Backup Files

How to open ABBU file?

Double click the abbu 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 .abbu 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 abbu 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 abbu 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 ABBU files

  • MacOS MacOS
    • Apple Contacts Apple Contacts

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 abbu file as well. Download Universal File Viewer for your OS.

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Download for Mac
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