Thanks for the reply. As for backup, I'm going by the microsoft web site . . .

[emphasis mine]
"A reliable cloud STORAGE provider offers businesses many features to avoid data loss, including built-in redundancy, failover, BACKUP, automatic logging, monitoring, and more"


I believe I've found I can't add folders to onedrive. I can only select from Onedrive's folder list. I suspect I CAN add subfolders to, for example, Documents