Troubleshoot OneDrive not syncing Method 1: Restart the OneDrive app on your PC
Make sure the file to sync does not exceed the size limit of 10GB.Verify there’s enough storage space on your computer.But don’t worry, here are 8 solutions you can try to fix it. Many users are reporting this OneDrive not syncing issue. When you try to use OneDrive to sync files on your PC as usual, you find you somehow cannot upload any file or folder.