gerry said:
Click Tools>Account Settings>Address Book tab. If you don't see "Outlook
Address Book" there, click New, then "Additional Address Books", select
"Outlook Address Book", click Next, then OK, then FInish. Stop and restart
Outlook.
If you do see "Outlook Address Book", select it and click Remove. Stop and
restart Outlook. Add it back in again. Stop and restart Outlook. See
this:
http://support.microsoft.com/kb/287563/en-us
If you can't remove it, you'll have to use the Mail applet in Control Panel
to create a new mail profile. See this:
http://www.howto-outlook.com/faq/newprofile.htm