SharePoint Online Expands Sensitivity Labels to OneNote and Video Files

Microsoft has updated SharePoint Online to provide full support for sensitivity labels assigned to OneNote and MP4 files. Full support means that SharePoint Online can decrypt and encrypt file content, which then allows SharePoint to protect the content while storing it in a way that’s accessible to Purview services like Data Loss Prevention and eDiscovery, and of course, accessible to Copilot.

https://office365itpros.com/2026/08/12/sensitivity-label-mp4-onenote/