Ideally, we could harmoniously deploy the features that separately convinced us to buy in to the Microsoft vision (M365, O365, EMS, Windows 10 Professional for Workstations and Windows 10 Enterprise). OD4B and OD worked harmoniously on NTFS volumes, OD4B works beautifully on ReFS -- but despite running on the identical sync client OD fails to support ReFS at all. OD fails to support "protect important files" on corporate devices, but recently it's announced (and we implemented) directing all those system Known Folders that populate "This PC" to reside in OD4B on ReFS. I am unsure if we're chasing your capabilities, or you're pushing us around with all the unharmonized changes to capabilities between and among the OneDrive(s), File Systems, and OS capabilities. Maybe the redirection of Known Folders into OD4B will address the problem we were trying to solve by enabling both personal and business to reside on the same ReFS storage space. Is that the idea that is envisioned here?