All I know is that a bunch of files reverted to very old versions and I found no way to recover from that. It was pure loss. How did it happen? I have no idea.

All I know is that a bunch of files reverted to very old versions and I found no way to recover from that. It was pure loss. How did it happen? I have no idea. But how doesn't matter at all to me. What matters to me is that OneDrive proved itself untrustworthy.