Outlook's handling of PDFs with Purview Information Protection labels on iOS/Android is updated. Users will be prompted to open such PDFs in the Microsoft 365 app. Rollout starts early September 2024 and ends late November 2024. No admin action is needed, but user notification is advised.
Applies to: Exchange Online · Microsoft 365 apps
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).