Microsoft Account Errors

Why You Cannot Move an Existing Outlook.com Address to Another Account

Elise Williams Sep 29, 2026 868 views

Question details

Users want to transfer an existing Outlook.com email address or add it as an alias to a different Microsoft account.

Why You Cannot Move an Existing Outlook.com Address to Another Account

Product: Microsoft Account
Device & OS: not provided
Scenario: Attempting to consolidate multiple Microsoft accounts or migrate an existing email address to a newly created Microsoft account.
Observed behavior: Microsoft systems block the transfer, displaying an error stating that the email address already belongs to another account and cannot be used as an alias.

Before you start

Before attempting to reorganize your account structure, ensure you have the login credentials for both the original Microsoft account that owns the Outlook.com address and your preferred target account.

Solution 1Recommended

Create a New Outlook.com Alias for Your Target Account

Since Microsoft's security policies forbid transferring existing addresses, the best approach is to create a brand-new alias to use with your preferred account.

Microsoft permanently links an Outlook.com address to its original Microsoft account. To manage emails and logins from your new account, you must generate a completely new alias.

Sign in to account settings

Navigate to the Microsoft account 'Your info' page and sign in with the target Microsoft account where you want to add an alias.

Access the email alias menu

Scroll to the 'Account info' section and select 'Edit account info'.

Add a new email address

Click on 'Add email', then select 'Create a new email address and add it as an alias'.

Finalize your new alias

Type in your desired new email name, verify its availability, and click 'Add alias' to complete the process.

Create a New Outlook.com Alias for Your Target Account

Strict Policy Restriction: You cannot bypass this restriction by deleting the original address. If you delete an Outlook.com alias, Microsoft permanently removes it from the system, meaning it can never be claimed or reused by any account.

Solution 2

Set Up Email Forwarding from the Existing Account

If you want to receive emails sent to your old Outlook.com address in your new account without constantly switching logins, you can set up automatic email forwarding.

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Frequently Asked Questions

Can I delete my old Outlook.com address and re-add it to my new account?

No. If you permanently delete an Outlook.com, Hotmail, Live, or MSN email address from a Microsoft account, Microsoft does not recycle the address. It becomes permanently reserved and cannot be added as an alias to any account.

What types of email addresses can I add as an alias to my Microsoft account?

You can add a completely new Outlook.com address generated during the alias creation process, or an existing third-party email address (such as Gmail or Yahoo) as an alias. Existing Microsoft-domain addresses cannot be added.

Is it possible to merge two Microsoft accounts into one?

Microsoft does not offer any feature to merge two separate Microsoft accounts. You cannot combine their data, purchase history, or transfer active aliases between them. You must manage them separately or manually migrate your files and contacts.

Login & Account Issues