![(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) Microsoft 365 Copilot: Copilot chat pane and Summary feature in OneNote Mobile (Android) [MC1309746]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-steve-26756124-1024x683.webp "(Updated) Microsoft 365 Copilot: Copilot chat pane and Summary feature in OneNote Mobile (Android) [MC1309746] 2")
![(Updated) Outlook: Support for storing S/MIME certificates in contacts in new Outlook [MC1302908]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-harrisonhaines-3536511-1024x683.webp "(Updated) Outlook: Support for storing S/MIME certificates in contacts in new Outlook [MC1302908] 3")
![(Updated) Use Copilot to explain selected slide content in PowerPoint Live [MC1280558]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-pachon-in-motion-426015731-18419516-1024x683.webp "(Updated) Use Copilot to explain selected slide content in PowerPoint Live [MC1280558] 5")
![(Updated) Microsoft 365 Copilot: Copilot chat pane and Summary feature in OneNote Mobile (iPhone) [MC1307979]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-futurekiiid-3691258-1024x683.webp "(Updated) Microsoft 365 Copilot: Copilot chat pane and Summary feature in OneNote Mobile (iPhone) [MC1307979] 6")