Veeam Backup for Microsoft 365 4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Veeam Backup for Microsoft 365 4 reached end of life on 26 Nov 2022. It no longer receives security fixes.
1,409 days without security patches
Support timeline
Official dates from the Veeam Backup for Microsoft 365 release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 26 Nov 2019 | 6y 10mo ago |
| End of Fix ended | 3 Dec 2020 | security fixes only after this |
| End of Support ended | 26 Nov 2022 | 3y 10mo ago |
| Latest release | 4.0.1.625 · 16 Feb 2021 | final |
Frequently asked questions
Is Veeam Backup for Microsoft 365 4 still safe to use?
Veeam Backup for Microsoft 365 4 reached end of life on 26 Nov 2022, 1,409 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Veeam Backup for Microsoft 365 4?
Yes — the final release (4.0.1.625) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Veeam Backup for Microsoft 365 4 to?
Upgrade to the newest actively supported Veeam Backup for Microsoft 365 branch.