https://community.graphisoft.com/t5/Collaboration-with-other/back-save-se-2017-to-2016/m-p/286590#M37510 It is impossible to do it simple way, there is no "Save as SE2016" command. Easiest way is to open project in version ARCHICAD 20 and save it to v19. Wed, 24 May 2017 07:33:56 GMT Rafal SLEK 2017-05-24T07:33:56Z https://community.graphisoft.com/t5/Collaboration-with-other/back-save-se-2017-to-2016/m-p/286588#M37508 <DIV class="actalk-migrated-content"><T>Hello, how can I back save start edition 2017 to SE 2016? Someone wants to open my file in Archicad 19.</T></DIV> Tue, 23 May 2017 18:20:22 GMT https://community.graphisoft.com/t5/Collaboration-with-other/back-save-se-2017-to-2016/m-p/286588#M37508 Anonymous 2017-05-23T18:20:22Z https://community.graphisoft.com/t5/Collaboration-with-other/back-save-se-2017-to-2016/m-p/286589#M37509 I don't have the Start edition but in the full version we "Save As" and change the file type to the older version.<BR /> <BR /> Barry. Wed, 24 May 2017 01:11:25 GMT https://community.graphisoft.com/t5/Collaboration-with-other/back-save-se-2017-to-2016/m-p/286589#M37509 Barry Kelly 2017-05-24T01:11:25Z https://community.graphisoft.com/t5/Collaboration-with-other/back-save-se-2017-to-2016/m-p/286590#M37510 It is impossible to do it simple way, there is no "Save as SE2016" command. Easiest way is to open project in version ARCHICAD 20 and save it to v19. Wed, 24 May 2017 07:33:56 GMT https://community.graphisoft.com/t5/Collaboration-with-other/back-save-se-2017-to-2016/m-p/286590#M37510 Rafal SLEK 2017-05-24T07:33:56Z