What is WAB? What Opens a WAB? File Format List from WhatIs.com

File Extension

WAB File Format

Outlook address book file (Microsoft Outlook, Outlook Express)

WAB file format icon

WAB is a file extension for a Windows Address Book file format used by Outlook and Outlook Express.

WAB files store contact information, such as name, mailing address email address and phone number.

WAB files are similar to PAB files used in Outlook or the more generic VCF files.


Learn more about WAB files:

See our Outlook Cheat Sheets.

Visit the Microsoft Outlook Express how -to webpage.

Search for answers to Outlook Express-related questions at IT Knowledge Exchange.

See answers to Outlook Express-related questions at IT Knowledge Exchange.

This was last updated in August 2010
Editorial Director Margaret Rouse

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