![(Updated) Retirement of external access token for actionable messages – moving to Microsoft Entra authentication [MC1189663]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-dom-j-7304-310436-1024x683.webp "(Updated) Retirement of external access token for actionable messages – moving to Microsoft Entra authentication [MC1189663] 1")
Posted inMicrosoft 365 apps
(Updated) Retirement of external access token for actionable messages – moving to Microsoft Entra authentication [MC1189663]
Message ID: MC1189663 (Updated) Updated May 21, 2026: Phasing out to Legacy Auth Token (EAT) has been initiated and will complete by June 8th 2026. Thank you for your patience. [Introduction]We’re retiring the use of external access tokens for actionable messages…
![(Updated) Retirement of external access token for actionable messages – moving to Microsoft Entra authentication [MC1189663]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-andre-mouton-1207875-1024x683.webp "(Updated) Retirement of external access token for actionable messages – moving to Microsoft Entra authentication [MC1189663] 2")
![Retirement of external access token for actionable messages – moving to Microsoft Entra authentication [MC1189663]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-inspiredimages-157557-1024x683.webp "Retirement of external access token for actionable messages – moving to Microsoft Entra authentication [MC1189663] 3")