Windows 10: Unable to change account alias to primary on Outlook Mail Live.com

Hello,I have multiple account aliases on my email with Outlook mail Live.com, and keep switching them when I see too much of suspicious unsuccessful sign-in activities with one alias. It seems that somebody has put my email on the dark web in some hacker forums Google gave me this indication due to which I have witnessed an increase in the Sign-in activity over the last few months. Hence, making multiple account aliases and changing the primary sign-in aliases allow me to bring a reduction in these events to some extent. I have got MFA enabled on this account, and keep changing the passwor

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Unable to change primary alias - Microsoft Account

Hi John,

As per the description, you are experiencing issue with you are unable to change the primary alias for your Microsoft account on the system.

I certainly understand your concern and appreciate all your efforts in trying to fix this issue.

I would like to provide you with the information that
an account alias is an email address or phone number that you use to sign in to your Microsoft account. You can have multiple aliases, and use any of them with Microsoft services such as Outlook.com, Skype, OneDrive,
Office, Xbox, Windows and more.

Your primary alias appears on devices such as your Xbox, Surface, and Windows Phone, and is the email OneDrive sends from when you share. You can choose a different alias to be the primary one at any time.

An alias is also the best way to change your email, but keep all your mail.
Add an alias, then make the new alias primary. Then you can
keep or remove the original alias.

I would suggest you to try the following steps and check if that helps.

• Sign in to the
  Microsoft account website.
• Under Account aliases, click/tap on the Make primary link to the right of an
  
  added email alias you want to be your primary alias.

Note: The email alias at the top of the list without a Make primary link is your current primary alias.

• Uncheck the Send me promotional offers from Microsoft box if you like, and click/tap on Yes to confirm.

You may also try the following steps given below and check if that helps.

• Navigate to Start>Settings>Account>Your Account.
• In the right pane, click on Sign in with a local account instead.
• Provide your current Microsoft Account Password.
• Follow the on-screen instructions.
• You can leave the Enter Password option empty, however, it is highly recommended to keep a password on your system to keep it safe.
  

For reference:

I would suggest you to refer to the article given below and check if that helps.

Microsoft account help

Account help

I hope this information is helpful.

Please do let us know if you need any further assistance, we will be glad to assist you.

Thank you.

 

Can't change account primary alias.

I have a Microsoft 365 account and am trying to change my primary alias.

I have been able to add the correct e-mail address to the account; however, when I try to make that address my primary alias, I get the message "that address is already part of your security information." I need to make the new e-mail address my primary since I no longer have access to the e-mail account listed as my primary.

Windows 10

Dell computer

Thanks,

Paul

 

Unable to change primary alias - Microsoft Account

I have an old email address ...@bigpond.com as my primary alias. I no longer use this address and will shortly be cancelling that account. That email address, being my primary alias, appears on all of the Office 365 applications on my devices (2 laptops
and 1 android phone)

I have entered a new alias, my gmail.com email address and that has been accepted at my Microsoft Account and appears as a secondary alias . However whenever I attempt to change my primary alias to the new gmail address I receive an error message that "Unable
to make this alias primary at this time. Try again later". This has been occurring for a couple of weeks.

When I attempt to remove my current bigpond account as my primary alias I receive an error message that I'm unable to do this until I make another alias the Primary alias

And so it goes in a never ending circle. I am unable to make my secondary gmail alias the primary alias and when I try to remove the bigpond primary alias I am unable to do so until I create a new primary alias!

Frustrating and I can't find any help online

I am not part of an organisation. I am the Administrator for my account and am logged in as such

Where can I turn for help?

John