Fix OneDrive Moving Files from External to Internal Drive on Mac
Question details
Users need to stop OneDrive from ignoring an external drive setup and downloading files to the Mac internal storage instead.
- Product
- OneDrive
- Device & OS
- Mac
- Scenario
- Attempting to sync OneDrive files to an external hard drive to save internal storage space on a personal Mac.
- Observed behavior
- OneDrive replaces the externally stored folder with a symbolic link, moving synchronized files back to the Mac's internal drive and causing unexpected local storage and bandwidth consumption.
Before troubleshooting, pause your OneDrive synchronization from the menu bar to prevent further unexpected data downloads and check your Mac's available internal storage space.
Unlink and Reconfigure OneDrive to the External Drive
Reset your OneDrive synchronization settings and explicitly reassign the external drive as the primary folder location.
Due to recent macOS system changes utilizing the File Provider API, cloud storage defaults are often forced into the internal Library path. You may need to manually unlink your account and re-select the external drive during a fresh setup.
Click the OneDrive cloud icon in your Mac menu bar. Select the 'Help & Settings' gear icon, then click 'Pause syncing' to halt all current downloads.
Click the gear icon again and select 'Preferences'. Navigate to the 'Account' tab and click the 'Unlink this Mac' link.
Open the OneDrive app and enter your personal Microsoft 365 credentials to sign in again.
When you reach the 'This is your OneDrive folder' screen during setup, click 'Change Location' and select the specific folder on your connected external hard drive.
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Frequently Asked Questions
Why did my Mac replace the OneDrive folder with a symbolic link?
Apple's updated File Provider framework on newer macOS versions automatically manages cloud storage locations. It often forces the primary sync folder to the internal ~/Library/CloudStorage path, leaving a symbolic link (alias) in the old external location.
Can I completely stop OneDrive from downloading files to my Mac's internal drive?
Yes. By enabling 'Files On-Demand' in your OneDrive preferences, your files will remain securely in the cloud. They will only download to your internal drive temporarily when you double-click to open them.
Does my Microsoft 365 Personal subscription allow syncing to external drives?
Yes, standard personal subscriptions allow you to change the OneDrive folder location to an external drive. However, the drive must remain continuously connected to your Mac and be correctly formatted (preferably APFS) to prevent OneDrive from reverting to the default internal location.
