PC.net

.abbu

File Type Address Book Backup IconAddress Book Backup
File Format Proprietary (Apple)
Usage Open manually
Popularity ★ ★ ★ ☆ ☆  Average
Description

Backup file exported from the Apple Address Book (included with Mac OS X); used to restore the default address book if needed

Open With
macOS

IconApple Contacts

Updated 2007
Information from the PC File Extensions Reference
https://pc.net/extensions/file/abbu
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