https://community.graphisoft.com/t5/Modeling/file-conversion/m-p/194457#M105493 Opening the older versions (ex. AC12) with AC13 or newer, loading the Migration Library 12 too. And so on. Wed, 19 Sep 2012 08:19:09 GMT Anonymous 2012-09-19T08:19:09Z https://community.graphisoft.com/t5/Modeling/file-conversion/m-p/194456#M105492 <DIV class="actalk-migrated-content"><T>How can i convert lower versions of archicad to higher versions of archicad?</T></DIV> Wed, 19 Sep 2012 01:52:09 GMT https://community.graphisoft.com/t5/Modeling/file-conversion/m-p/194456#M105492 Anonymous 2012-09-19T01:52:09Z https://community.graphisoft.com/t5/Modeling/file-conversion/m-p/194457#M105493 Opening the older versions (ex. AC12) with AC13 or newer, loading the Migration Library 12 too. And so on. Wed, 19 Sep 2012 08:19:09 GMT https://community.graphisoft.com/t5/Modeling/file-conversion/m-p/194457#M105493 Anonymous 2012-09-19T08:19:09Z