If only one installation will be using the PST file at a time, just set each
installation to use the same PST file. If not, your options are limited:
http://www.slipstick.com/outlook/sync.htm

Signature
Russ Valentine
[MVP-Outlook]
>
> Is there a way to automatically keep the "Contact" files synchronized
> between computers in a home network using Outlook 2000 and Windows XP
> Pro?
>
> ------------------------------------------------