The Collect Diagnostics feature in Outlook Mobile and Outlook for Mac is renamed to Get Diagnostics, with diagnostic logs now sent to the Microsoft 365 diagnostics service instead of PowerLift. The rollout begins early August 2026, requiring updates to documentation and network allowlists but no user workflow or admin changes.
Applies to: Microsoft 365 apps
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).