It was the most-requested SOLIDWORKS enhancement of all time: To be able to open files from a future version, or to be able to save files as a previous version. Since SOLIDWORKS ’96 users have asked for this and in SOLIDWORKS 2013 they delivered. And then it went away in 2015. And now in 2016 we’re Back to the Future!
What happened? And why is this so hard? I’ll tell you.