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# Microsoft ends Office Online Server support in 2026
- URL: https://www.nupath.eu/microsoft-ends-office-online-server-support-in-2026/
- Published: 2026-10-03T05:41:57.000Z
- Updated: 2026-10-03T05:41:57.000Z
- Author: Christian Triantafillou Schade
- Tags: News, #source_opencloud.eu

Microsoft will discontinue Office Online Server on 31 December 2026, ending security updates and technical support. Organisations using the solution must reassess data storage and infrastructure control to maintain digital sovereignty. OpenCloud highlights the need for alternative collaboration environments. **(OPENCLOUD)**

[End of Life for Office Online ServerMicrosoft is discontinuing Office Online Server on 31 December 2026\. After that date, there will be no further security updates, bug fixes or regular technical support. This means that organisations which have so far been viewing and editing documents in a browser within their own infrastructure now![](https://www.google.com/s2/favicons?domain=https://opencloud.eu/en/end-life-office-online-server&sz=64)opencloud.eu](https://opencloud.eu/en/end-life-office-online-server?ref=nupath.eu)