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.PBB File Extension

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File TypeAT&T Phonebook File

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CategoryBackup Files


This file is saved in a binary format, which requires a specific program to read its contents.


Phonebook file used by various mobile phones; contains backup data exported by software at a local AT&T store; typically stored on a USB drive after an AT&T representative has exported the phonebook file.

More Information

PBB files can be opened using CellBrite Content Manager by selecting Contacts → Open Phonebook. They may then be exported to Outlook or Outlook Express by selecting the menu option Contacts → Open Phonebook.

Programs that open PBB files
Microsoft Windows LogoWindows
CellBrite Mobile Synchronization Content Manager
Updated 4/15/2010