A wonderfully easy-to-use desktop database product that runs on Windows and the Mac, FileMaker Pro is ideal for small and medium-sized businesses, as well as departments of large and enterprise-sized ...

Ain't gonna happen as far as I know. The only way I know how is to export into html or something and import it into 5.5.

FileMaker Pro 10 is significantly improved with a smoother GUI and winning new features, but faces stiff competition on Windows A wonderfully easy-to-use desktop database product that runs on Windows ...