Apparently it’s safe to throw away the ‘Render Files’ (and sub-folders) from iMovie projects: Yes, and iMovie can even delete (all) of them for you. Go to iMovie > Preferences and click “Delete” next to Render Files (last item on the bottom for me).
I’ve only used iMovie a handful of times, and frankly, that was too many. It gets the job done, but it’s inexplicable and bloody-minded. Here’s an example: What happened was that I tried to import a movie, but I inadvertantly picked the wrong one. But I had lots of time to rue my error, staring […]