Outlook has not used a PAB for years. All Outlook data is in one file. The
file you need to back up is your Personal Folders file (*.pst) It's where
all the mail, calendar, contacts etc are stored.
Take a look at these pages for info on Outlook data backup:
http://www.slipstick.com/config/backup.htm
http://www.howto-outlook.com/Howto/backupandrestore.htm

Signature
Russ Valentine
[MVP-Outlook]
>I cannot find any *.pab files when I do a "search." I am trying to backup
>my
> contacts before I reformat my computer. Where are they located??
> Thanks!!!