OneDrive, while seamless, operates on a lease model. Your data resides on servers governed by terms of service that can change, and access is gated by a monthly fee once you exceed the meager 5GB free tier. By choosing an external drive, you reclaim the "Right to Repair" your digital life. There is a psychological finality to hearing a mechanical drive spin up or seeing an SSD’s LED flicker—a confirmation that your files exist in a space you physically own, independent of an internet connection or a Microsoft account status. The Technical Divide: Why External Wins