I have never used the student version so I may be totally wrong here.
I know the file types are incompatible, but can you copy elements from the student model and paste them into a professional model.
Can you open a student and professional session of Archicad at the same time?
One of the forum moderators.
Versions 6.5 to 25
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Dell Precision 3510 - i7 6820HQ @ 2.70GHz, 16GB RAM, AMD FirePro W5130M, Windows 10