Beginning in August, Microsoft is planning on phasing out the existing, free Windows Mail and Windows Calendar apps included in Windows 10 and 11, and replacing them with the new Outlook for Windows.

If you cannot open Mail and Calendar app on Windows 11/10, then one of these proven solutions is sure to help you fix the problem.

If the Mail app notifications are not working or showing up on your Windows 111/10 PC, you can use these definitive fixes to resolve this issue.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Top 10 Windows 11 apps for every user in 2025 Taras Buria · Jan 18, 2025 14:44 EST · Hot! 30 ...