Depends on what you mean by "use as an address book." Only Contacts Folders
can be enabled to appear in the Outlook address book view or as the
repositories for addresses for messages sent from Outlook. But you can use
other databases as a data source for a mail merge to email.

--
Russ Valentine
[MVP-Outlook]
"wdsnews" wrote in message
...
We have an existing database which we maintain daily. It contains email
addresses. Is there a simple way for Outlook to use it as an address
book? I don't like import/export because then you either have two copies
to maintain or you have a labor intensive, error prone job to be performed
on a merciless schedule.

thanks for your advice.