How did you export and to what format?
There is never any reason to export Outlook data.
Just open your previous Outlook data file.
When you export, you lose data. Apparently that is what you did.

Signature
Russ Valentine
[MVP-Outlook]
>I did an export of emails and email addresses before I replaced my hard
> drive. With the new hard drive installed and MS Outlook (MS Office Pro
> 2003)
> I imported the emails but there were no addresses in the address book. How
> do
> I retrieve these email addresses?