In the PST calendar, switch the view to By Category, select all the items, drag and drop to the other calendar.

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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 would like to copy an existing outlook calendar from a PST icopied from
> another profile nto at blank primary calendarof a new profile.