“ Microsoft 365 Appsi running on personal and commercial Windows 10 PCs will continue receiving security updates until Oct. 10, 2028, and feature updates through August 2026.ii These updates are intended to help ease customers’ transition to Windows 11 and will be delivered through standard update channels. These updates do not include technical support. Microsoft will continue to provide Security Intelligence Updates for Microsoft Defender Antivirus on Windows 10 through October 2028.”

To help maintain security while you transition to Windows 11, Microsoft will continue providing security updates for Microsoft 365 Apps on Windows 10 for three years after Windows 10 reaches end of support. These updates will be delivered through the standard update channels, ending on October 10, 2028. Devices running Microsoft 365 Apps on Windows 10 will receive feature updates until Version 2608 is released on the following dates: August 2026 for Current Channel (including all versions for individuals and families) October 13, 2026 for Monthly Enterprise Channel January 12, 2027 for Semi-Annual Enterprise Channel Devices will remain on Version 2608, receiving only security updates until October 10, 2028