Veeam Backup for Microsoft 365 may not backup OneNote notebooks larger than 2 GB

If you use Veeam Backup for Microsoft 365 to back up your data, you should be aware that it may not be able to backup OneNote notebooks that are larger than 2 GB. This can be a problem if you have important information stored in your OneNote notebooks that needs to be backed up.

Here are some solutions to this problem:

  • Reduce the size of the notebook by removing any unnecessary data or splitting it into multiple notebooks.
  • Move the OneNote notebook out of SharePoint.

This is a known Microsoft limitation, for more information on restrictions and limitations in OneDrive and SharePoint, please visit the Microsoft support page at