https://community.graphisoft.com/t5/Collaboration-with-other/How-do-I-open-AC7-pln/m-p/188324#M22675 Joseph,<BR /> <BR /> You'll need to reinstall a copy of ArchiCAD 10. Save the files to that version and then open in AC12 Thu, 05 Mar 2009 19:57:30 GMT Aaron Bourgoin 2009-03-05T19:57:30Z https://community.graphisoft.com/t5/Collaboration-with-other/How-do-I-open-AC7-pln/m-p/188323#M22674 <DIV class="actalk-migrated-content"><T>Hi,<BR /> How do I open a file created in AC7 when I have AC12, any suggestions?<BR /> Thanks,<BR /> Joseph</T></DIV> Thu, 05 Mar 2009 19:42:54 GMT https://community.graphisoft.com/t5/Collaboration-with-other/How-do-I-open-AC7-pln/m-p/188323#M22674 Anonymous 2009-03-05T19:42:54Z https://community.graphisoft.com/t5/Collaboration-with-other/How-do-I-open-AC7-pln/m-p/188324#M22675 Joseph,<BR /> <BR /> You'll need to reinstall a copy of ArchiCAD 10. Save the files to that version and then open in AC12 Thu, 05 Mar 2009 19:57:30 GMT https://community.graphisoft.com/t5/Collaboration-with-other/How-do-I-open-AC7-pln/m-p/188324#M22675 Aaron Bourgoin 2009-03-05T19:57:30Z https://community.graphisoft.com/t5/Collaboration-with-other/How-do-I-open-AC7-pln/m-p/188325#M22676 The ArchiCAD file and hardware protection compatibility table at <A href="http://www.archicadwiki.com/ArchiCAD%20versions" target="_blank">http://www.archicadwiki.com/ArchiCAD versions</A> may help.<BR /> <BR /> Cheers,<BR /> Link. Thu, 05 Mar 2009 21:44:51 GMT https://community.graphisoft.com/t5/Collaboration-with-other/How-do-I-open-AC7-pln/m-p/188325#M22676 Link 2009-03-05T21:44:51Z