![(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] 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 March 24, 2026: We have updated the timeline. Thank you for your patience. [Introduction]We’re retiring the use of external access tokens for actionable messages and transitioning to Microsoft Entra-based authentication. This update enhances security and aligns…
![(Updated) Introducing awards and certifications section in M365 profile card [MC1250272]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-vlada-karpovich-4050303-1024x683.webp "(Updated) Introducing awards and certifications section in M365 profile card [MC1250272] 2")
![Offline attachments policy for the new Outlook for Windows [MC1259820]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-enginakyurt-3219549-1024x683.webp "Offline attachments policy for the new Outlook for Windows [MC1259820] 3")
![(Updated) Copilot Notebooks: New features coming to Frontier Public [MC1254552]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-earano-3608311-1024x683.webp "(Updated) Copilot Notebooks: New features coming to Frontier Public [MC1254552] 4")
![(Updated) Retirement of the Semi-Annual Enterprise Channel option in the Office Customization Tool [MC1249427]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-asadphoto-1430675-1024x683.webp "(Updated) Retirement of the Semi-Annual Enterprise Channel option in the Office Customization Tool [MC1249427] 5")
![(Updated) Microsoft Outlook: Automatically display automapped calendars [MC906502]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-michael-spadoni-269949-813465-1024x683.webp "(Updated) Microsoft Outlook: Automatically display automapped calendars [MC906502] 6")