Microsoft 365 Apps and on-premises Office suites will no longer be supported on Windows 10 after Windows 10 reaches end of support

After October 14 2025, while Microsoft 365 apps and on premise Office suite will continue to function, they will no longer be supported on Windows 10 after Windows 10 goes End of Support

This means Microsoft will no longer provide phone/chat/email support for this configuration,

 Microsoft will no longer be creating updates or hotfixes for issues that emerge when running on unsupported operating systems.

New features or apps may not work on unsupported operating systems.

Purchase of Windows 10 ESU does not affect support for Microsoft 365 Apps on Windows 10. This will remain an unsupported configuration even for customers with ESU.