Outlook has no address book. All Outlook data is in one file. The file you
need 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

Signature
Russ Valentine
[MVP-Outlook]
>I recently reformatted my computer which had been running
> windows 98. Before I did this I made a complete backup of
[quoted text clipped - 7 lines]
> Outlook running on Windows 98? And where would I move
> this file to allow my new copy of Outlook to read it?