If you upgraded from IMO mode of Outlook 2000, and if you had configured
Outlook Express to share with Outlook, then your Contacts are in the same
place they always were: your Outlook Contacts Folder. Only Outlook no longer
can be configured to share with OE unless you do a registry hack.

Signature
Russ Valentine
[MVP-Outlook]
>I upgraded my version of Office from 2000 to 2003 - my contacts and address
> book from Outlook Express are gone since I did the upgrade.
>
> Is there a temp file that they may be stored in?
>
> Thanks.