This site gives a little information on XL2007 and what it accepts or don't
accept.
It also has some procedures for opening and saving earlier versions of XL.

http://office.microsoft.com/en-us/ex...141031033.aspx

"nkuti" wrote:

I am using an add-in from Excel 2003 which wil not load in Excel 2007. I get
a dialog saying "opening the VBA projecdt in this files requires a component
that is not currently installed. This file will be opened without the VBA
project. For more information, search Microsoft Office Online for VBA
converters."