https://community.graphisoft.com/t5/Installation-update/open-a-4-5-project/m-p/51256#M6373 Ron:<BR /> <BR /> I was able to open an ArchiCAD 4.1 file with ArchiCAD 7.<BR /> <BR /> HTH<BR /> <BR /> David Wed, 03 Oct 2007 12:54:35 GMT David Maudlin 2007-10-03T12:54:35Z https://community.graphisoft.com/t5/Installation-update/open-a-4-5-project/m-p/51254#M6371 <DIV class="actalk-migrated-content"><T>I am trying to open a project that was completed in version 4.5<BR /> <BR /> What is the latest version of Archicad that will allow me to do this?<BR /> <BR /> Thanks, Ron G</T></DIV> Mon, 01 Oct 2007 20:10:26 GMT https://community.graphisoft.com/t5/Installation-update/open-a-4-5-project/m-p/51254#M6371 Anonymous 2007-10-01T20:10:26Z https://community.graphisoft.com/t5/Installation-update/open-a-4-5-project/m-p/51255#M6372 7 opens 5.<BR /> <BR /> As far as I remember, there used to be a 4.5 to 5 converter ...<BR /> <BR /> Check Archicad Wiki, there is a topic on backwards compatibility. Tue, 02 Oct 2007 16:06:15 GMT https://community.graphisoft.com/t5/Installation-update/open-a-4-5-project/m-p/51255#M6372 Djordje 2007-10-02T16:06:15Z https://community.graphisoft.com/t5/Installation-update/open-a-4-5-project/m-p/51256#M6373 Ron:<BR /> <BR /> I was able to open an ArchiCAD 4.1 file with ArchiCAD 7.<BR /> <BR /> HTH<BR /> <BR /> David Wed, 03 Oct 2007 12:54:35 GMT https://community.graphisoft.com/t5/Installation-update/open-a-4-5-project/m-p/51256#M6373 David Maudlin 2007-10-03T12:54:35Z