Update your Mail and Calendar apps to use this type of account - Microsoft Support

Microsoft force-migrating Windows Mail & Calendar apps to Outlook app in August

Outlook for Windows app replaces Mail and Calendar in new Windows 11 preview

In the Mail and Calendar app permissions, the Email switch is grayed - Microsoft Community

Set default calendar - Microsoft Support

Mail & Calendar updates - Windows Insider Program

Use Microsoft Viva Insights in Outlook - Microsoft Support

How to enable and disable the Outlook calendar sharing updates - Microsoft Support

Microsoft continues to improve its Windows 10 Mail & Calendar app

Getting started with the new Outlook for Windows - Microsoft Support

Add an email account to Outlook - Microsoft Support

I received an email from Microsoft about shutting my account down - Microsoft Community

Calendar (Windows) - Wikipedia

Configuring Your Email Client for Office 365 - IT Services