Hi Graciewynne,
What Outlook version are you using?
>.....of our peer-to-peer network
So I think you have no Exchange Server installed.
What you will need is a "Outlook sharing" solution. For different Outlook
versions you have different solutions.
On this site is an article on various ways to share Outlook data:
http://office.microsoft.com/en-us/assistance/HA011477571033.aspx
You will also find a list of third-party sharing tools:
http://www.mapistore.com/Outlook/Groupware
http://www.slipstick.com/outlook/share.htm

Signature
Oliver Vukovics
Share Outlook without Exchange: Public ShareFolder
Notebook Synchronisation for Outlook: Public SyncTool
http://www.publicshareware.com
> When a contact is added, deleted, or changed I want the information to be
> changed in all users of our peer-to-peer network. So, if a salesman
[quoted text clipped - 3 lines]
> can
> give me.