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Regulatory and protocol clock Standard or protocol · International

Exchange Server 2016 and 2019 end of support

End of support on 14 Oct 2025, 1 year ago.

14 Oct 2025 1 year ago Already applies

Exchange Server 2016 and 2019 end of support

End of support · Exchange Server 2016 and 2019 lifecycle · Microsoft

MaritimeIndustryInfrastructure International Standard or protocol

Exchange Server 2016 and 2019 both reached end of support on 14 October 2025. The replacement for on-premises mail is Exchange Server Subscription Edition; the alternative is moving mailboxes to a hosted service. Unpatched Exchange servers are a favourite target.

Microsoft Learn Date reported, not yet checked against the official text.

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