Collaboration not working

Hello. I started a Canvas collaboration with a student (links to my Google Docs).  I can access the Collaboration, but the student sees "Unable to load file" when he attempts to open it (see att...

private chats

Is there ant way to do private chats in canvas (or another tool I could use). What I'm looking for is for a way for the students to send me their lab work so I can comment on it, but I don't want to ...

Conferencing with BigBlueButton

Hello, anyone use BigBlueButton? When I click screen-sharing, my desktop displays screen-within-screen and is unusable. When I disable screen-sharing, I can see my lecture notes fine. Any ideas?