When I upgraded from Kicad5 to Kicad6, I was able to change the Kicad5 file to Kicad6 file.
Kicad6 can open the Kicad5 file.
However, Kicad5 cannot open the Kicad6 file.
Can I change the Kicad6 file to the Kicad5 file if I want?
For the kicad6 to altium converter problem, i ask about this.