3D .jt file

Hello 

do you know if there is a Catia module to open 3D files in .jt format and resave them in Catpart? 

Or a free software to turn .jt files into .stp? 

Thank you 

Hello not to my knowledge.

A solution if not allergic to the cloud.

Grabcad create a workbench account, download the .jt and then get it back in Step.

thank you for your answer it works