Folks, I appreciate the responses to this post, but none of them address the problem when you're on an MBP running OS and having to interface via MS Office to get to One Drive. I use two MBPs, a personal and a work-supplied, and my organization's IT department has had. no luck getting the office computer to synch with One Drive in a regular or timely fashion. I've tried signing out and then back in, and that's about as helpful as a screen shot to a blind man.
So if anyone has had the problem with a MacBookPro, I'd be interested to hear how you resolved it.
Thanks!