You cannot copy .pst files for IMAP accounts between machines. Outlook will
always create its own .pst file for a particular IMAP account.
Since the IMAP .pst file merely duplicates what's on the IMAP server, there
is no need to copy from another Outlook system in the first place.

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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
>I have a desktop and a laptop and to keep outlook in sync I have been
>copying
[quoted text clipped - 9 lines]
> be
> greatly apreciated. This is Outlook 2003 fully updated.