Outlook displays the latest response to that appointment, regardless of
whether it was to the original or an update.

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Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> When you look at tracking in a meeting request and see the
> Accepted/Declined
> entries, how do you know if those entries pertain to responses to the
> original meeting request or to the updates?