The following KB discusses the error with having two different versions of Office when building executables. Ignore the 214... error number. <a href="http://digital.ni.com/public.nsf/3efedde4322fef19862567740067f3cc/83211e3a088d0c3786256db700621fe8?OpenDocument">Error 2146959355 When Running Exe on Machine With Different Version of Office</a>
After you install the new version of office on your development machine, you will need to uninstall and reinstall the report generation toolkit so that the toolkit installer will install the version of the VIs that work with your newer office.
