On Sun, 25 Jan 2009 13:55:02 -0800, Excelfan
wrote:

Thanks a lot for the reassurance Mike. Now that I have you in line, do you or
anyone know if this date problem is overcome in XL 2007?
THANKS.

This information is available looking at HELP for Specifications:

Earliest date allowed for calculation January 1, 1900
(January 1, 1904, if 1904 date system is used)
Latest date allowed for calculation December 31, 9999
--ron