ews retirement

Microsoft has set firm, non‑negotiable deadlines for the end of Exchange Web Services (EWS) in Exchange Online — tenant‑by‑tenant disablement begins on October 1, 2026, and EWS will be permanently and irrevocably removed on April 1, 2027 — and organizations that still rely on EWS have a narrow...

Microsoft has put a firm deadline on the end of Exchange Web Services (EWS) in Exchange Online: tenant-by-tenant disablement begins October 1, 2026, and EWS will be permanently removed from Exchange Online on April 1, 2027 — a hard stop Microsoft says will admit no exceptions. o Background...

Microsoft has set hard dates: Exchange Web Services (EWS) in Exchange Online will be disabled by default starting October 1, 2026, and will be permanently and irrevocably shut down on April 1, 2027 — leaving organizations no choice but to migrate active EWS integrations to Microsoft Graph (or...

Microsoft has given administrators a hard, non-negotiable runway: beginning October 1, 2026, Exchange Web Services (EWS) will be disabled by default in Exchange Online tenants, and the platform will be completely and permanently shut down on April 1, 2027. That phased shutdown—combined with new...

Exchange Web Services in Exchange Online is being retired, and the clock is now unmistakably ticking: Microsoft will begin tenant-by-tenant disablement starting October 1, 2026, with a final, irreversible shutdown of EWS in Exchange Online in 2027. This move completes a deprecation that began...

Microsoft's Exchange Team announced an immediate policy change that will start blocking Exchange Web Services (EWS) access for mailboxes licensed only with frontline/Kiosk plans beginning March 1, 2026, and reiterated the broader EWS retirement timetable that culminates with Exchange Online...

Today Microsoft opened the Public Preview for the Exchange Online Admin API — a REST-based, cmdlet-style administrative surface intended to help organizations move specific Exchange admin scenarios off Exchange Web Services (EWS) and modernize automation over HTTP. Background EWS has been on a...