TaxGuyBill
Level 15

Interesting.  I Googled it and it looks like you are right, an Outlook app comes with Windows 11 (but it may be a limited version of Outlook).

https://pureinfotech.com/windows-11-new-outlook-app-personal-accounts/

https://www.windowscentral.com/software-apps/new-outlook-now-works-with-personal-microsoft-accounts