Odd, because I'm running a fresh install of Windows 11, so you'd think I'd already have the latest version, but there you go. The general root cause seems to be an issue with privacy settings.

Windows users can test the new app by enabling a toggle in the upper right-hand corner of Windows Mail to automatically install the new Outlook app and import your settings from the Mail application.

2] Via Mail app settings Open the Windows Mail App. In the Windows Mail app, click the New Mail button. On the New Mail window, click the Options button. Then click the Spelling box drop-down arrow.

The version in the Windows 11 build is labeled as a preview, and it's still missing fairly significant features, including IMAP support for third-party mail services, iCloud Mail support, and an ...