Microsoft will end support for Microsoft 365 for Windows 10 this October, so you'll need to buy a new Windows 11 PC.

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Windows 10 isn't the only Microsoft product that is due to lose support this coming October. In a blog post published Wednesday, the software giant said Microsoft 365 apps (aka Office) will no longer be supported in Windows 10 after Oct. 14, 2025. To continue using Microsoft 365 or Office, the company urges users to upgrade to Windows 11.

What will that mean for 365, and what about enterprises who have the option to extend Windows 10 for more than just a year — at a steep cost? Microsoft’s most recent support document adds little helpful detail.

Microsoft is officially calling it quits on Windows 10 in 2025, and it's ending support for Office apps on the OS — but not entirely.