Sync error – Can’t sync with OneDrive (0xE000078B)

This error indicates a server timeout, which occurs when OneDrive is busy and can’t respond to your requests. This is usually a temporary issue, so please wait a few minutes then try syncing again.

You can also check the OneDrive service status at

If OneDrive isn’t reporting any service issues, and you continue to see this error, please report it to the OneNote for Mac forums on the Microsoft Answers Community where other users and members in Microsoft Support can help investigate this issue further.

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