Microsoft is extending Extended Security Updates (ESU) for legacy Exchange Server and Skype for Business through October 2026, reversing its earlier "final" April 2026 deadline. The company is responding to customer pressure for more migration time, though it maintains no further extensions will follow.
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Microsoft announces product it doesn't want you to buy: Extended security updates for old Exchange, and Skype for Biz
Microsoft reverses its "final" Exchange and Skype for Business deadline to October 2026, bowing to customer pressure for extended migration time but pledging no further extensions.
Thursday, April 16, 2026 12:00 PM UTC2 MIN READSOURCE: The RegisterBY sys://pipeline
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