Per,
It would be helpful to know what version of Archicad you are working on as well as why you received a PMK file.
In older versions of AC the layouts of drawings were called Plotmaker or .PMK files. These files could be sent to the printer or plotter of choice. You drawings were assembled in a stand alone program called Plotmaker much along the lines of Quarkxpress except for CAD drawings.
That function is now incorporated into Archicad in the Layout Book function. If you have AC 13 you can open a .PMK file. I have not done this but I would guess if you can open it you can save it out to a DWG or DXF if this is what you need to do.
If you add a signature to your profile and give your version of AC and platform of use it will help others to be more specific in their answers.
Gerald
"The simplification of anything is always sensational" GKC
AC 25-4013 USA, CadImage Tools
2019 MacBook Pro 16" w/ AMD Radeon Pro 5600M GPU
OS X 11.6
2.4 Ghz 8 core i9, 64 GB RAM
27" LG 5K Monitor
