Categories are stored in the registry:
http://www.slipstick.com/outlook/olcat.htm
The Outlook Address Book is easy to fix. We'll can even you how if you post
your version.

Signature
Russ Valentine
[MVP-Outlook]
> Well, in addition to a blank email list when pressing the "to" button next
> to sender, I only have the default categories.
[quoted text clipped - 3 lines]
> Thnks
> Joe