1) No.
2) I've seen Outlook not handle some iCalendar items. If it were my application, I'd pick the file apart to see what might be causing Outlook not to handle some items and then would try to work around that cause.

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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
>I have made an iCalendar file that I have on a WebDAV server and I want
> multiple users to use. I have 2 questions:
[quoted text clipped - 6 lines]
> there a patch or something that I can give him to get his Outlook 2002 to
> understand the iCalendar format?