Open ABBU file

The most common choise: Apple Address Book contacts archive

How to open Apple Address Book contacts archive .abbu files

abbu file icon Have you had trouble opening the abbu file on your computer? What are abbu files? We explain what they are and recommend software that we know will open them.

What is abbu file?

Files with abbu extension can be often on macOS / Mac OS X as address book archives for Apple Address Book (Contacts).

Apple Address Book contacts archive description

File extension abbu is best know for its use in Apple Address Book application used to manage addresses and other contacts information.

The .abbu file contains archived contact information exported from the Address Book database.  From Mac OS X Mountain Lion The Address Book is renamed to Contacts.

Suggested software to open abbu file

Address Book (Contacts) for Mac

Contact management tool for macOS

Mac OS X

Unix-based operating system for Apple Mac computers


A Unix-based desktop operating system for Apple Mac computers

What file extension actually is?

Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.

We can help you to open your file

Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.

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