export file .cst to hfss

Hi
now, i want to export file .cst to file of hfss, but i don't know to do it
everybody can give me how to export it
thanks.

export from cst with .sat extention
then from hfss 3d modeler > import sat file

export from cst with .sat extention
then from hfss 3d modeler > import sat file

export from cst with .sat extention
then from hfss 3d modeler > import sat file

hi
I want to export file .hfss to file of cst (from hfss to cst), but i don't know to do it
can you tell me how to export it
tnx