No, each user has full control over the data in their own folders.

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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 am working with a doctors office and the doctors are deleting and/or moving
> appointments without notifying the schedulers. Is there away that I can stop
> the owner or user from changing appointments on their own calendar if they
> were not the ones that created the appointment? IE: the Dr. cannot change an
> appointment on their calendar if it was created by the scheduler?