https://community.graphisoft.com/t5/Modeling/Back-Saving/m-p/222602#M120290 From AC 17 save as "Archicad 16 project" Then from AC 16 save as "Archicad 15 project" then............................................. Sun, 09 Nov 2014 06:47:18 GMT Anonymous 2014-11-09T06:47:18Z https://community.graphisoft.com/t5/Modeling/Back-Saving/m-p/222601#M120289 <DIV class="actalk-migrated-content"><T>Is there a way to back save from AC 17? I need a PLN to open on AC 12. <BR /> Thanks!</T></DIV> Sun, 09 Nov 2014 04:51:45 GMT https://community.graphisoft.com/t5/Modeling/Back-Saving/m-p/222601#M120289 Anonymous 2014-11-09T04:51:45Z https://community.graphisoft.com/t5/Modeling/Back-Saving/m-p/222602#M120290 From AC 17 save as "Archicad 16 project" Then from AC 16 save as "Archicad 15 project" then............................................. Sun, 09 Nov 2014 06:47:18 GMT https://community.graphisoft.com/t5/Modeling/Back-Saving/m-p/222602#M120290 Anonymous 2014-11-09T06:47:18Z