Designed to replace the current Mail and Calendar apps, the new Outlook can only be removed after it's been installed.

The good news is that the February update which brings the new Outlook doesn't strip out the old version of the app, so you can still use that.

Microsoft 365 app has been rebranded to Microsoft 365 Copilot. While the change feels unnecessary, it brings significant AI-driven updates and UI improvements.

Microsoft 365 apps will only be available to use on Windows 11, as the company is ditching Windows 10 support for them.

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

Microsoft will force install the new Outlook email client on Windows 10 systems starting with next month's security update.

Microsoft says an earlier blog post contained inaccurate information about changes to the Windows 11 upgrade path.

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

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.