What is an alias? An alias is an additional email address associated with your Outlook.com account. An alias uses the same inbox, contact list, and account settings as your primary email address. You can sign in to your Outlook.com account …

An alias is another email address or phone number that works with the same Microsoft account. When you change your email address, you have the choice of creating a new Outlook.com email address or using an email address from a different email …

Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.

You can use any email address or phone number that you’ve listed as an alias to sign in. To make it more difficult for someone to break into your account, change your sign-in preferences to turn off any alias that you don't want used for accessing your account.

Learn how to send and reply to mail using a different alias or email address in Outlook.com.

For now, the solution is to delete and re-add your account. Please go to Settings, select the affected account, and select Delete Account. When you re-add the account, the proper settings will be imported and everything should work as intended.

An alias is like a nickname for your account that can be an email address, phone number, or Skype name. It uses the same inbox, contact list, and account settings as the primary alias. You can sign in to your account with any alias, and you only have to remember a …

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You might see this error if your primary alias's name is the same as an existing work or school account in Microsoft 365 or Azure Active directory. To resolve this error, try any of these steps: Rename your account to something else. Changing the name of your account might fix the issue. Sign in to the Your Info page of your Microsoft account.

Enter the names, email addresses, or the alias 'Everyone'. If you have team email aliases such as 'Engineering', or any other group alias, you can also enter those here. As you enter the names, the server verifies the existence of the user account or alias.

An existing AD attribute defines aliases for many common service classes to the equivalent HOST SPN for services such as CIFS, HTTP, and RPC. The AD attribute is defined as a list in the configuration naming context of an Active Directory forest.