https://www.bigtechwire.com/2022/11/02/microsoft-is-killing-custom-domain-names-in-outlook-com/
One of the features premium Outlook.com users have access to is the ability to host a custom domain name on Outlook.com and therefore to have personalized email addresses on there.
Microsoft notes:
As a benefit of your Microsoft 365 Family or Microsoft 365 Personal subscription, you can create a personalized email address that’s associated with your Outlook.com mailbox. For example, yourname@example.com.
Unfortunately, it appears this feature is going away, according to a message Microsoft has been sending out to subscribers…
