Exchange Server Timeline

The next version of Exchange Server could appear in the first half of 2022. Labeled Subscription Edition (SE), it will be technically similar to Exchange Server 2019 and enable in-place upgrades from that version. However, it will require subscription licenses.

Exchange Server 2019 will leave Extended support Oct. 14, 2025, the same day as Exchange Server 2016. Therefore, customers cannot significantly extend the supported life of an Exchange Server 2016 installation by upgrading to Exchange Server 2019.

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