Starting January 25, 2026, Power BI reports will default to the Enhanced Report format (PBIR), improving source control and collaboration. Existing reports convert to PBIR upon editing. Power BI Desktop adopts PBIR in March 2026. Admins can opt out during Preview via tenant settings; no immediate action required.
Applies to: Power BI
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).