The changing of the eMail Address used by Microsoft Account (formerly Windows ID) has been disabled for at least 6 weeks with no relief in sight.
This means that one also cannot change a .live .msn . Hotmail email to outlook.com
No prognosis is given. The Status page »status.live.com
for Microsoft Account, Hotmail or Outlook shows nothing either current or in history.
For more details:
»answers.microsoft.com/en-us/wind ··· 0ecf3e78--