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Microsoft EWS Retirement: Key Dates and What to Do Next

Ella-Louise Jain
by Ella-Louise Jain
on 09 October 2026

Microsoft is retiring Exchange Web Services (EWS) in Exchange Online in two phases — a controlled, tenant-by-tenant disablement starting October 1, 2026, and a full, permanent shutdown on April 1, ...

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Microsoft 365 Change Insights Blog

Microsoft EWS Retirement: Key Dates and What to Do Next


09 October 2026

Microsoft is retiring Exchange Web Services (EWS) in Exchange Online in two phases — a controlled, tenant-by-tenant disablement starting October 1, 2026, and a full, permanent shutdown on April 1, ...

Read More
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