Take a look here, it may help:
http://www.slipstick.com/outlook/share.htm
--
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 searching google.groups.com and finding no answer, Norah asked:
| We are a small office of 4 running Outlook XP without an
| Exchange server. Is there any way we can share our
| calendars?