Outlook has no built-in feature to do this; it would have to be added with some custom code.

--
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx

"Linda" wrote in message news
I have a user who shares calendars with her attorney. She schedules
appointments on his calendar. She would like to have a message sent
automatically to the attorney when she does this.