Forum Discussion
Changing login email address for office 365 admin (O365 Busines)
Dear forum members, We bought Microsoft 365 Apps for Business. During the registration process we got an extreme unusable email address (Email address removed). Together with our subscription we al...
You would have to register a domain name if you do not already have one and then verify it with your subscription through the O365 Admin Portal (Settings --> Domains --> Add Domain). Once done and verified, you can then switch your sign-in name to <username>@yourdomain.com.