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No date in the announcement Exchange Team Blog · Exchange

Impact of Exchange Online EWS Deprecation on Hybrid Rich Coexistence and Cross-org Sharing

Exchange Team Blog announced it on 30 Sep 2026; its title names no date, so check the announcement for one.

The announcement
1Other record about it

Everything collected about it

Matched by product and title; check each before relying on it
  1. 24 Aug 2026 Product newsHelp us shape Exchange Server on-premises to different online org Free/Busy after EWS retirement
  2. 30 Sep 2026 Announced · Exchange Team BlogImpact of Exchange Online EWS Deprecation on Hybrid Rich Coexistence and Cross-org Sharing

Other retirements in Exchange

Lifecycle

What changed

First observed 14 Oct 2026

No field changes in the recorded history.

Cite this recorded revision to keep the same title, summary, facts and links when the page changes.

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Keep track

  • Watch above puts it on My radar, with reminders and changes to it.
  • Exchange RSS feed: retirements, releases and known issues as they are published.
  • Lifecycle: every end of support and retirement ahead.
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 14 Oct 11:53 UTC · 252 of 253 readable · 251 fully read · documentation 0/409 current

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