Office 2016 and Office 2019 support will end on October 14, 2025. It is recommended to upgrade to Microsoft 365 E3 or Office LTSC 2024 for continued updates and support. Resources like upgrade guidance, Microsoft FastTrack, and the Office End of Support Tech Community are available to assist with the transition.
Applies to: Microsoft 365 apps
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).