No. Other user's calendars are available only when you are connected to the server.

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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 looking for a small business solution - the need to share calendars such
> that someone offline can create a meeting and view a copy of others' shared
> calendars to do the scheduling. My experience has been that this was only
> available if I was online and the people I was inviting were all maintaining
> their files online (not in PSTs). Is there a way to administer this at the
> server for organization-wide behavior to share these.