Extended support
Microsoft Server Exchange Server · 2016 CU23 SU19
Standard support has ended; a paid/extended phase is open. The published end-of-support date was 2025-10-14 — 335 days ago.
Scope: software releaseAs of 2026-09-15
Lifecycle timeline
- 2015-10-01 — Release date · General availability
- 2020-10-13 — End of active support · End of maintenance
- 2025-10-14 — End of support · End of standard support
- 2026-11-01 — Extended support end · End of extended support
Why this status?
“End of active support” (end-of-maintenance, 2020-10-13, confirmed) has passed, but “Extended support end” (end-of-extended-support, 2026-11-01, confirmed) is still in the future.
Evidence
- Microsoft Exchange Server lifecycle Official · checked 2026-09-15
- endoflife.date product data independent-open · checked 2026-09-15
Keep going
- All MS Server Exchange Server lifecycle dates· 11 tracked releases
- MS Server Exchange Server security advisories· 54 tracked
- Free CVE email alerts for MS Server
Status derived deterministically from the published milestones. When a vendor does not publish a date, this page says so — it never guesses.