OneDrive Will Not Sync

Common Reasons OneDrive Will Not Sync

OneDrive Will Not Sync when the client cannot reach Microsoft servers or detects local conflicts. Check your internet connection first, then look for the blue or red sync icon in the taskbar. Large files, special characters in filenames, or exceeded storage quotas also block synchronization.

Before troubleshooting, confirm you are signed in with the correct Microsoft account and that your OneDrive storage has free space. Restarting your computer clears temporary locks on files that prevent uploads.

How to Fix OneDrive Will Not Sync

1. Reset the OneDrive client

   Press Windows key + R, type the command %localappdata%\Microsoft\OneDrive\onedrive.exe /reset and press Enter. Wait two minutes for the process to restart. If the OneDrive icon does not reappear, run the same command again with /reset added.

   

2. Check for sync errors in OneDrive settings

   Right-click the OneDrive cloud icon in the taskbar, select Settings, then open the Account tab. Click Choose folders and make sure the folders you need are selected. Switch to the Office tab and uncheck Use Office applications to sync Office files that I open.

3. Repair OneDrive from Settings

   Open Windows Settings, go to Apps > Installed apps, find Microsoft OneDrive, click the three dots, and choose Repair. If that does not work, choose Modify then Repair again. This reinstalls missing components without deleting your files.

4. Verify network and firewall settings

   Temporarily disable any VPN or proxy. Open Command Prompt as administrator and run netsh winsock reset followed by netsh int ip reset. Restart your computer afterward to clear corrupted network stacks that block OneDrive traffic.

   

5. Sign out and sign back in

   Right-click the OneDrive icon, select Settings > Account > Unlink this PC. Restart your device, then sign in again with your Microsoft account. This forces a fresh connection and often clears cached authentication errors.

Additional Troubleshooting for Persistent Sync Failures

If OneDrive Will Not Sync after the steps above, move any files with names longer than 255 characters or containing symbols like & or # into a new folder. Run the OneDrive troubleshooter by searching for "troubleshoot settings" in Windows and selecting Other troubleshooters. On Mac, quit OneDrive from the menu bar, then relaunch it from Applications.

Users on metered connections should go to OneDrive Settings > Network and select Don't use metered connections. Check the activity center inside OneDrive for specific error codes and search those codes on the official Microsoft support site.

FAQ

Why does OneDrive show a red X icon?

A red X usually means the account has been signed out or the folder path has changed. Sign out and sign back in through the OneDrive Settings Account tab to restore the connection.

Can I sync OneDrive on multiple accounts at once?

Yes. Add a second account from OneDrive Settings > Account > Add an account. Each account maintains its own sync folder and settings.

Does pausing sync stop all file updates permanently?

No. Pausing only halts transfers temporarily. Right-click the icon and choose Resume syncing to continue. Scheduled pauses can be adjusted in the Settings Network tab.

Conclusion

Following the reset, repair, and sign-in steps above resolves OneDrive Will Not Sync in most situations. Test synchronization with a small test file after each change to confirm the fix.