Error : Office is not compatible with Vault Server

Hello,
I am trying to access Vault Server version 16.0.56.200 from Excel 2007 but when I attempt to login, the following error message appears. I am running Microsoft Server 2008 Operating System. I need your help to demolish this problem.
Thanks.

2007 Microsoft Office system is not compatible with the usnbrvault hosting the following server applications:
Vault Server Version 16.0.56.200
