Microsoft Account Not Found After Email Change

To check whether the account still exists and try to regain access, follow these steps in order:

1. Confirm that the email is still a Microsoft account
   • Go to https://account.microsoft.com and enter the email address that was used after the change.
   • If you see a password prompt, that email is still a Microsoft account.
   • If you see a message like “We couldn't find an account with that username” or “That Microsoft account doesn't exist,” then either:
     • The address is typed incorrectly (name or domain), or
     • The Microsoft account tied to that email may have been closed.
   • Double‑check spelling of the name and domain (for example, name vs nane, .com vs .co.uk).
2. If the email is recognized (password prompt appears)
   • Try signing in with the password last used.
   • If the password is not accepted, select Forgot password? and follow the reset flow.
   • If there are issues signing in (wrong password, security checks, etc.), use the Sign-in Helper tool, which can detect common account problems and guide through recovery: Sign-in Helper.
3. If the email is not recognized as a Microsoft account
   • Use the guidance for when username/password stop working:
     • Go to Recover your account.
     • Enter the email address, phone number, or Skype name that was used to sign in.
     • Follow the steps to receive and enter a security code and set a new password if the account is found.
   • If the message “We couldn't find an account with that username” continues even after checking spelling and trying any other aliases/phone numbers that might be on the account, the account may no longer exist or the alias may have been removed.
4. If still unable to sign in
   • Use the Sign-in Helper tool as the primary diagnostic path: Sign-in Helper. It will:
     • Ask for the email or phone number being used.
     • Check for known issues and either show what to do next or guide through self‑help steps.
5. If the account truly “does not exist”
   • If the sign-in page and recovery tools consistently report that the Microsoft account does not exist (after verifying spelling and trying all possible aliases), support cannot recreate or merge accounts.
   • For Minecraft‑specific access (Java/Bedrock entitlements), contact Minecraft Support separately to see whether they can help with game ownership or migration using purchase details and previous account information.

Because this scenario involves sign‑in and possible account closure or alias removal, all recovery must go through the automated Microsoft account tools; support agents cannot bypass them or manually restore access.

References:

• How to check if your email address is a Microsoft account
• I can't sign in to my Microsoft account
• My username and password have stopped working
• Help with the Microsoft account recovery form
• How to recover a hacked or compromised Microsoft account
• How to add an existing outlook.com account to my existing microsoft account? - Microsoft Q&A
• MSN email issues - Microsoft Q&A