All you probably need is the Office 2007 converter for Office 2003. See:
http://www.microsoft.com/downloads/details.aspx?FamilyID=941b3470-3ae9-4aee-8f43-c6bb74cd1466&displaylang=en
--
Cheers
macropod
[MVP - Microsoft Word]
"knowsit" <kno...@discussions.microsoft.com> wrote in message news:A62CA7A0-81FA-4D78...@microsoft.com...
>I can open Office 2003 Excel file on my Mac but I cannot open a Office 2008
> for Mac with my Office 2003 on my PC. Am I doing something wrong or is that
> the way it is?