Uploaded files shouldn't be published by default

I can't believe I have to say this, but if I upload PDFs with my exam questions to Canvas, I shouldn't have to unpublish them right after I finish uploading. Files should be private by default, with ...

Don't show students quiz answers when the "Show answers" box is unticked.

Exactly this. I'm an instructor, and I just discovered that putting in sample answers in essay questions results in students being able to see them after finishing their quiz, regardless of what boxe...