Microsoft announced last year that it would be retiring the Windows Mail & Calendar apps in favor of the new Outlook at the end of 2024. As of January 1, these apps are no longer functional and will refuse to send or receive any more emails.

As the push toward Windows 11 continues, Microsoft confirms that Windows 10 users will lose support for apps including Word, Excel, and Outlook.

Microsoft says it will drop support for Office apps in Windows 10 after the operating system reaches its end of support on October 14.

Although Microsoft is allowing people to keep using Windows 10 for another year, it won't be supporting Microsoft 365 apps during that time. The Latest Tech News, Delivered to Your Inbox

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.

If you're still running Windows 10 and you subscribe to Microsoft 365, your Microsoft 365 apps will cease to function on Oct. 14, 2025, according to an official Microsoft blog post. This will happen when Microsoft ends Windows 10 support,

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