Is there a plan to upgrade to Graph API with the retirement of Exchange Web Services on Oct 1st 2026 ?

Hi,

Is there an upgrade planned to migrate the Outlook email and calendar integration to Microsoft Graph API in the next couple months?

Given that Exchange Web Services (EWS) will be retired on October 1st, 2026, I wanted to understand whether such an upgrade is planned. Moving to Microsoft Graph API would also significantly allow to improve Outlook and calendar synchronization capabilities in terms of performance, synchronization granularity, meeting updates, and overall integration reliability.

Reference:  https://techcommunity.microsoft.com/blog/exchange/retirement-of-exchange-web-services-in-exchange-online/3924440 ?

Thank you, 

Damien

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+1, it seems like it is planned for 2026 and the Task/Documentation for it have been assigned already, but I also was not able to find official communication on that topic yet 

David Örnek,

It would be great to receive some news soon. Especially to give us enough time to upgrade our Creatio on-premise customers connected to M365 cloud

It is mentioned in the 8.3.4 release notes (which just barely appeared in the academy) https://academy.creatio.com/docs/8.x/resources/release-notes/8-3-4-twin-release-notes#title-integrations
Microsoft Graph API support for email synchronization. It is now possible to synchronize emails using Microsoft Graph API as the primary integration method, replacing the legacy EWS API in alignment with Microsoft's modern architecture and upcoming EWS deprecation. The integration provides improved reliability, enhanced security, and compatibility with the latest Microsoft 365 configurations.

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