Officially announced by Adobe:
http://helpx.adobe.com/illustrator/kb/s ... l#id_35427Formats that cannot be opened in Illustrator CS6:
FreeHand (fh7, fh8, fh9, fh10, fh11, ft11)
Formats that cannot be placed in Illustrator CS6:
FreeHand (fh7, fh8, fh9, fh10, fh11, ft11)