Microsoft has officially published a roster of products set to be phased out in 2026. This list encompasses Windows 11 24H2, Windows 11 SE, and Office 2021. Specifically, Windows 11 24H2 will halt its service on October 4, 2026. Similarly, Windows 11 SE will also come to the end of its lifecycle in October 2026. Following this date, these systems will no longer be eligible for feature updates, technical support, or security patches.
As for Office 2021, its support cycle will draw to a close on October 13, 2026. Subsequently, users will be required to upgrade to Office 2024 or transition to a Microsoft 365 subscription service to ensure continuous security protection.
