Can OneDrive Resume Interrupted File Transfers?
Question details
The user wants to know if OneDrive can resume large interrupted file uploads or downloads from the point of failure instead of restarting from the beginning.
- Product
- OneDrive
- Device & OS
- not provided
- Scenario
- Transferring extremely large files, such as videos, over an unstable network connection.
- Observed behavior
- Interrupted file transfers restart from the beginning instead of resuming, and Files On-Demand requires a full upload before local space can be released.
Verify your internet connection stability and make sure you are running the latest version of the OneDrive desktop client before attempting large file transfers.
Manually Pause and Resume Synchronization
While OneDrive does not automatically resume partial uploads at the byte level, you can manually pause syncing during network instability to prevent upload failures.
OneDrive does not feature a native resumable copy equivalent (like xcopy /Z) for all files. If your connection drops unexpectedly, the transfer will likely restart. However, proactively managing the sync state can help.
Click the OneDrive cloud icon located in the Windows taskbar or Mac menu bar.
Click the Help & Settings (gear) icon in the top right corner of the OneDrive menu.
Select 'Pause syncing' from the dropdown menu and choose a duration (e.g., 2, 8, or 24 hours) while your connection is unstable.
Once you have secured a reliable, preferably wired, internet connection, click the OneDrive icon again and select 'Resume syncing'.
Use Physical Storage for Initial Large Transfers
Bypass network instability entirely by moving massive files locally before utilizing cloud synchronization.
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Frequently Asked Questions
Does OneDrive Files On-Demand save local space before the upload finishes?
No. Files must be completely uploaded to the cloud server before you can use the 'Free up space' feature to safely remove the local copy from your hard drive.
Is there a way to force resumable uploads in OneDrive?
OneDrive does not support a general user-controlled resumable copy option (like the xcopy /Z command) for standard file transfers. If a connection is completely lost, the upload usually restarts from the beginning.
Why do my large video uploads keep failing in OneDrive?
Large uploads typically fail and restart due to unstable internet connections. For files spanning several gigabytes, it is recommended to use a stable wired ethernet connection instead of Wi-Fi.
