Learn how to fix common OneDrive personal or OneDrive for Business sync problems.

Learn how to repair a sync connection to fix OneDrive for Business sync app errors. You can start over with a new sync connection instead of fixing errors individually.

If you see the error message "This file can't be synced" you may need to do one or more of these steps to get the file syncing again, depending on the error: Close the file ("This file is in use by another …

Sometimes an error appears in the Mail and Calendar apps when the apps try to sync new email or calendar events. Here are some solutions for the most common errors.

Follow the recommendations in this article to troubleshoot sync issues in OneNote for Windows and macOS.

Resetting Microsoft OneDrive can sometimes resolve sync issues. Follow the steps to reset your OneDrive.

The OneDrive for work or school (SPOneDriveForBusiness) Diagnostic detects certain problematic conditions and collects information to troubleshoot Microsoft OneDrive for work or school issues.

Fixes for OneDrive "Processing changes" ... See also OneDrive status stuck on "Sync pending" How to cancel or stop sync in OneDrive Need more help?

The following steps will ensure you can sync with your Microsoft SharePoint libraries, that you are able to access your files online, and that you have enough room for the right files to sync.

What do the OneDrive error codes mean? We're sorry you're having problems with OneDrive. Select your error message or error code from the lists below to learn more.