Microsoft Exchange 2019 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Microsoft Exchange 2019 reached end of life on 14 Oct 2025. Standard support is over — security updates now require extended support, which runs to 1 Nov 2026.
Support timeline
Official dates from the Microsoft Exchange release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 22 Oct 2018 | 7y 11mo ago |
| Active Support ended | 9 Jan 2024 | security fixes only after this |
| Security Support ended | 14 Oct 2025 | 1y ago |
| Extended Security Updates ends | 1 Nov 2026 | in 1mo |
| Latest release | 15.2.1544.36 · 14 Oct 2025 | final |
Where to go from 2019
Recommended target: Microsoft Exchange subscription.
The newest actively supported branch is Microsoft Exchange subscription (latest release 15.2.2562.49).
Frequently asked questions
Is Microsoft Exchange 2019 still safe to use?
Microsoft Exchange 2019 left standard support on 14 Oct 2025. It still receives security updates under extended support until 1 Nov 2026 — 27 days from now — but only if you are enrolled. Without it, no fixes reach you.
Can I still download Microsoft Exchange 2019?
Yes — the final release (15.2.1544.36) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Microsoft Exchange 2019 to?
Upgrade to Microsoft Exchange subscription, the newest actively supported branch.