https://forums.autodesk.com/t5/autocad-forum/export-autocad-file-to-proteus/m-p/5522971#M338853 Proteus the PCB /micro boards design software? Are you designing circuit boards? Looks like you have to buy Proteus to import cad files to create "proteus" files for your Siemens product. Fri, 27 Feb 2015 15:57:51 GMT pendean 2015-02-27T15:57:51Z