If you’re still having problems with the sync after following these five steps, consult the OneDrive for Business manual. Step 6: Consult the OneDrive for Business manual In case of problems with the sync folder, you can stop the sync and restart it to clear the fault. Sync problems can often be solved by restarting the sync connection. Respect the pre-defined limits for files. Avoid these characters to prevent sync problems.Ī file that’s too large, contains too many items, or has a long access path, can’t be synced to OneDrive for Business. OneDrive for Business doesn’t support certain characters in a file name. Read more about the OneDrive updates on Microsoft's support site. Software: OneDrive for Business is updated regularly.If you already use the app, make sure you have the latest update. App: install the free sync app from Microsoft to sync files with OneDrive, online and offline.Step 1: update your OneDrive app and software If you can't sync files from your computer to OneDrive, or if the sync is too slow, the following steps will guide you through the possible solutions.