Desktop Manager 4.3 supports the following organizers, which include calendars: Lotus Notes� 6.0, 6.5, 7.0, 8.0
MS Outlook� 2002, 2003, 2007
MS Outlook Express 6, Windows Contacts (Vista Address Book)
Novell� GroupWise� 6.5, 7.0
Yahoo!� PIM
I use Desktop Manager 4.5 with Outlook 2003. I don't know if it supports Outlook 2002 or not.