In a message sent to Microsoft 365 subscribers via the Microsoft 365 Admin Center, the company said that the new Outlook will be preinstalled on Windows 10 computers with the optional January 28, 2025, release and the February 11, 2025, security update. Once installed, the new Outlook app will replace the existing Mail and Calendar apps. After the installation, the new app will launch even if you click on the Start menu shortcuts for the older Mail and Calendar programs....