That's Outlook Web Access and is actually NOT Outlook but rather an
Exchange client.
(And the answer is no. On the Server side you can do some mailbox
cleanup/management but that's not controlled from the OWA client)
--
-Ben-
Ben M. Schorr, MVP
Roland Schorr & Tower
http://www.rolandschorr.com
http://www.officeforlawyers.com
Author - The Lawyer's Guide to Microsoft Outlook 2007:
http://tinyurl.com/5m3f5q