Question : Choose either Office 2003/2007 to open office files

On a machine that has both Office 2003/2007 ,what is the best way to set either of the version to be the default version to open Office files ,and is it recommended to have both on the same machine

Answer : Choose either Office 2003/2007 to open office files

If you run the repair feature (from the add/remove) build into MSO 2007 it should set it self back as the default office applications.