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

For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option.

There can be a number of different reasons why OneDrive fails to sync, from invalid characters in file names to out dated sync apps. Here are some links to help you troubleshoot OneDrive sync issues:

We're sorry that you're having trouble syncing your OneDrive. To help get you syncing again, follow the steps below to unlink and re-link your Mac to OneDrive.

Jan 9, 2026 · Fixes or workarounds for recent issues in OneDrive Last updated: January 9, 2026 If you are experiencing problems accessing OneDrive, you can see the status of Microsoft Office Online …

If you have issues with the app syncing your files or camera roll to OneDrive, you can reset it. Go to Profile > Settings > Account (and if you have more than one set up, select the account to reset)

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

There are several conditions that can cause a continuous sync issue. To resolve this issue, review the files for which you experience the issue to identify the potential cause.

This article describes how to download the OneDrive sync app and sign in with your personal account, or work or school account, to get started syncing. If you use Microsoft 365 Apps for business, you …

For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option.