From Archicad 10 to ARchicad 11 and vice versa

[Anonymous]

Hey i'm just learning how to use archicad 11 and i work at home a lot. back at university the computers have archicad 10 will it be possible if i take my archicad 11 files and run them into archicad 10 ?

[Thomas Holm]

You must Save As them as AC10 files.

[Laszlo Nagy]

But be aware that AC11 Library objects will not saved back to AC10 format.
Maybe you can take the AC10 library in the university and use that in AC11. Then, when you save the file back into AC10 format the library objects should be there and usable.