OneDrive will block screenshots of sensitive documents, but only in Microsoft’s own browser.

Starting next month, OneDrive and SharePoint will block screen captures when enterprise users open certain sensitivity-labelled PDFs in Microsoft Edge. The restriction applies to documents carrying a Purview Information Protection label without the Copy (EXTRACT) permission. When those conditions are met, screenshot blocking activates by default. Personal OneDrive accounts and unlabelled files are not affected. […]
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