Microsoft to Retire Office Online Server in 2026, Shifts Focus to Cloud-Based Microsoft 365
Microsoft is phasing out its Office Online Server by the end of 2026, ending security updates and support. The company is directing users toward its Microsoft 365 platform to ensure continued access to secure, collaborative tools.
Microsoft Announces End of Support for Office Online Server
Microsoft will officially retire its Office Online Server service on December 31, 2026, according to reports from the company’s support blog. Sources indicate that after this date, no further security updates or bug fixes will be provided, leaving organizations that continue using the service vulnerable to potential cyber threats.