You failed to mention what kind of mail server you're using. If it supports IMAP, each user can connect to the same IMAP mailbox.

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Sue Mosher, Outlook MVP
Outlook and Exchange solutions at http://www.slipstick.com
Author of
Microsoft Outlook Programming: Jumpstart
for Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> I have a PC with Win XP, with five users, each with a
> separate XP account. How can I set up Outlook 2000 so
> that all five users have fully shared access to a single
> E-mailbox?
>
> /KL