If you use OneDrive on Mac and often work with external drives a common sight among Mac users where internal storage is not upgradeable, Microsoft has some good news for you: the OneDrive client for macOS now supports removable drives, allowing you to sync files to external disks, both non removable and removable. Microsoft introduced external drive support in OneDrive for Mac at the beginning of 2025 . However, the initial rollout was limited to drives that macOS detects as non removable. Th
