If you are unable to uninstall Microsoft Office 2003, Office 2007 or Office 2010 from Control Panel in Windows 7, Vista or XP, then this article may interest you!
Cannot uninstall Microsoft Office
This could happen if the installation process did not complete when you tried to install a new program or the uninstall process did not go through as expected.
Or it is quite possible that the previously installed Office program installation files has got corrupted.
To uninstall the Microsoft Office suite automatically, download and run the following Fix It solutions.
Do note that Microsoft no longer supports the use of Windows Installer Cleanup utility.
RipOutOffice & other ways to uninstall Microsoft Office 2007 may also interest you!