Hi,
It is not good idea to have IP03 and Ip07 in same machine.
When are you are exporting data from IP03 to Excel , May be it is searching
for Excel03.
Do you need both Ip03 and Ip07? If you don't need uninstall IP 2003 then
work with Ip07.

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k.Ramana Reddy
http://www.GGKtech.com
> When I installed Office 2007, I chose not to uninstall Infopath 2003 because
> I didn't know Infopath 07 would be installed automagically. So what I have
> installed is IP03, IP07 and Office 2007. When I try to export data to Excel
> using IP03, it tells me that I need to have Excel 2003 or later installed.
> Excel 2007 is installed. Any ideas?