What is PAB File Extension?


PAB stands for Personal Address Book which is the address book file of MS email clients like MS Exchange Server and MS Outlook. It efficiently holds contacts like email addresses separately from the email data. The contact details of a PAB file can be added manually. PAB falls in the category of the text file.


The developer of the file extension is Microsoft to meet the purpose of saving contacts in MS Outlook 2003 and earlier versions. It also supports the latest 2016 versions of both Mac and Windows to save contact details.


The widely popular file extension is considered a text file.

Supportive Apps

It supports MS Outlook Express

MS Exchange Server

MS Outlook 2003/2007/2010/2013/2016


The file extension saves in the default location, but it is depended on the MS Outlook versions users are using.

For Windows Vista/8/7


For Windows XP/2003

C:Documents and Settings\user\Local Settings\Application Data\Microsoft\Outlook\

How to open or view PAB File Extension

A PAB file holds address details of MS Outlook and Exchange Server, Users can access these files using these email apps.