Ok, this will be embarrassing but here goes...
Changed mine to PlanMaker 2018 document, not sure if just PlanMaker document would work given there are others using that in other keys
PlanMaker 2016 Clean-up Time!
Moderator: SoftMaker Team
Re: PlanMaker 2016 Clean-up Time!
As far as I know, there weren't any changes in the PlanMaker file format *.pmdx between SMO 2016 and SMO 2018, so I can't quite see why the file type name should be changed. Microsoft also calls its *.doc format "Microsoft Word 97-2004".