Since many people have asked me to share how this works, I thought I would make a post about setting the Control Definition Default settings.   Are you tired of your NC code changing whenever you update Mastercam? Why do your NC settings seem to get screwed up? You ran the "Migration Wizard", and things are still broken...   Ok, so what's going on? ---> You didn't set the Control Definition Default Settings.   It doesn't have to be this way. You can setup Mastercam to handle upgrading w