You can use Net Folders or one of the solutions on this page:
http://www.slipstick.com/outlook/share.htm

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Milly Staples [MVP - Outlook]
Post all replies to the group to keep the discussion intact. Due to
the (insert latest virus name here) virus, all mail sent to my personal
account will be deleted without reading.
After a lot of head-scratching, Rudy asked:
| I have just finished setting up a home based, 2 PC
| network. I would like to set it up so that we can share
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|
| I am using Office 2000 Premium