Posted inExchange Online
![(Updated) Auto upgrade of shared calendars from legacy MAPI model to modern REST model [MC1287370]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-pixabay-76966-1024x683.webp "(Updated) Auto upgrade of shared calendars from legacy MAPI model to modern REST model [MC1287370] 11")
Posted inMicrosoft 365 suite
(Updated) Auto upgrade of shared calendars from legacy MAPI model to modern REST model [MC1287370]
Message ID: MC1287370 (Updated) Updated May 6, 2026: We have updated the content. Thank you for your patience. [Introduction]Microsoft is introducing an automatic upgrade for shared calendars in Outlook and Exchange Online, transitioning from the legacy MAPI-based model to the modern…
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![(Updated) Viva Engage: Pinned resources and related communities in Teams for iOS [MC1268933]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-conojeghuo-173294-1024x683.webp "(Updated) Viva Engage: Pinned resources and related communities in Teams for iOS [MC1268933] 15")
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