How to Create an Alias Email Address in Outlook.com

Outlook.com permits up to 10 aliases at a time

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In Outlook.com, like most email clients, an alias is a nickname you use in your email account. In Outlook.com, it can be an email address or phone number. Use aliases to respond to people with a different email address from the same account. For example, if you have an @outlook.com email address for work, set up an alias for personal email. Or, if you changed your name and prefer to use it with your existing account, set up an alias to keep your contacts and archived email. Both addresses share the same inbox, contact list, and account settings.

Instructions in this article apply to Outlook.com and Outlook Online.

Create an Outlook.com Alias Email Address

Microsoft permits users to have up to 10 aliases on their accounts at any given time, and you can use any of them to work in Outlook.com.

To set up a new Microsoft alias email address you can use with your Outlook.com mail account:

  1. Sign in to the Microsoft account website.

    The Microsoft account login webpage screenshot
  2. Go to Your info.

    Viewing the Microsoft dashboard website screenshot
  3. Select Manage how you sign in to Microsoft.

    Viewing the Your info webpage on Microsoft's website screenshot
  4. If you use two-factor authentication, request and enter the necessary code.

  5. In the Manage how you sign in to Microsoft page, select Add email.

    Managing how you sign in to the Microsoft website screenshot
  6. To add an email address you already have, select Add an existing email address as a Microsoft account alias. Or, to use a new address as an alias, select Create a new email address and add it as an alias.

    Adding an alias for Microsoft account login screenshot
  7. Select Add alias.

  8. If prompted, enter your password again for security purposes, then select Sign in.

    Prompt to enter password in again for security reasons screenshot
  9. Your newly added alias is listed on the Manage how you sign in to Microsoft page under Account aliases.

    Microsoft account website showing the newly added alias screenshot

Your primary Outlook.com email address is the one you use to open your Microsoft account. By default, you can sign in to your account with any of your aliases, although you can change that setting. For example, if you go to websites that might be unsafe, use an alias that does not have sign-in privileges on your account for safety.

About Microsoft Aliases

All of your Microsoft aliases share the same Outlook.com inbox, contact list, password, and account settings as your primary alias, although some of this can be changed. You can opt to turn off the sign-in privileges of an alias you hand out to strangers to protect your information. Other notes:

  • An existing @hotmail.com, @live.com, or @msn.com address cannot be used as an alias.
  • An alias that is already associated with another Microsoft account cannot be used.
  • The primary alias for an account can be changed at any time.

Remove an Alias

To remove an alias from your account: 

  1. Sign in to the Microsoft account website.

    The Microsoft account login webpage screenshot
  2. Go to Your info.

    Viewing the Your info webpage on Microsoft's website screenshot
  3. Select Manage how you sign in to Microsoft.

  4. In the Manage how you sign in to Microsoft page, select Remove next to the alias you want to remove from your account.

    Microsoft account website showing the newly added alias screenshot
  5. In the Are you sure you want to remove this alias from your account dialog box, select Remove.

    Confirming the removal of an alias in Microsoft screenshot
  6. You may be prompted to enter your password in for security measures.

Removing an alias does not prevent it from being used again. To completely delete an alias, you have to close your Microsoft account, which means you lose access to your inbox. The conditions surrounding the reuse of an alias vary as follows:

  • If the alias you remove was an email address from a non-Microsoft domain (such as @gmail.com), it is available to be added as an alias on another Microsoft account immediately.
  • If the alias you remove is an email address from @outlook.com, it can be recreated as a new account or alias after a 30-day waiting period.
  • Email addresses from @hotmail.com, @live.com, or @msn.com cannot be added again as an alias to any Microsoft account after they are removed.