You mean from the dropdownlist? You can do this by deleting the following
registry key;
[HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Outlook\Contact\QuickFindMRU]
Replace 11.0 with your version of Outlook
--
Robert Sparnaaij [MVP-Outlook]
www.howto-outlook.com
Tips of the month:
-Backup and Restore
-Create an Office XP CD slipstreamed with Service Pack 3