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>> ABBU file

ABBU file format description

Many people share .abbu files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .abbu file can be edited, converted or printed with. On this page, we try to provide assistance for handling .abbu files.

1 filename extension(s) found in our database.

.abbu - Mac OS X Address Book Backup

ABBU file is a Mac OS X Address Book Backup. The Mac OS X Address Book is a personal contact management application made by Apple Inc.

.abbu file format description:
ABBU format description not yet available
Mac OS X
Data files
- / -
Mac OS X Address Book Backup related links:
Mac OS X Address Book Backup related extensions:
Apple Address Book Contact List Database
Mac OS X Disk Information File
Mac OS X Bill of Materials File
AppleTalk Desktop Database
Mac OS X Application Plug-in
Mac OS X Crash Log

Naturally, other applications may also use the .abbu file extension. Even harmful programs can create .abbu files. Be especially cautious with .abbu files coming from an unknown source!

Can't open a .abbu file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


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 one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .abbu file extension is often given incorrectly!

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

abb, bbu

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

AlphaBB Data
BossBackup2 Backup Set
Act! Database Index

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If you have useful information about the .abbu file format, then write to us!