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EWS permanently retiredExchange Online · 1 Apr 2027

Final disablement of Exchange Web Services in Exchange Online begins, with no exceptions. Microsoft expects removal to be complete in May 2027.

In short: this takes effect on 1 Apr 2027. That's 147 days from when this page was built.

Time left

Countdown to 1 Apr 2027 (UTC).

What to do

Other upcoming Exchange Online deadlines

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