Microsoft Outlook provides a feature that allows you export your contacts as a PST file to be able to import to other Outlook accounts.
Of course, the changes each person makes to his contact list won’t be apparent to the other users until the PST file has been re-exported with the updated information and then re-imported by each of the other users.
However, apart from this manual approach, users can use a number of add-on for Outlook, which automatically sync contacts between multiple user accounts without Exchange Server. This article will introduce you two methods to be able to share contacts in MS Outlook.
4Team’s ShareO is an add-on that allows users to share and sync any Outlook folders without using Exchange Server. The program works with all versions of Outlook from 2000