Pretty sure yes.
We have Prinergy 6 and Preps 7.1, but we still re-use, and make some new, Preps Templates from 5.3.
We used to write pjtf when printing from Preps 5.3 to Prinergy 5, but we can still import those impositions into Prinergy 6. You can also open the old impositions into Preps 7 to...