Account blocked by MS, no recovery possible via recovery protocoll, no backup email

For a long‑blocked personal Microsoft/Outlook.com account with no working backup email or recovery code, the only supported options are the automated recovery and standard support channels. If those fail, the account is typically not recoverable.

Use these steps in order:

1. Retry account recovery with maximum detail
   • Go to the Microsoft account recovery form: Account recovery form.
   • Use a device and location previously used to sign in to that account (same PC/phone, same home/office network) as recommended in the recovery guidance.
   • Fill in as much accurate information as possible (old passwords, subject lines of emails sent, contacts, approximate creation date, etc.). This is the only way the automated system can verify ownership.
   • If the account has two‑step verification enabled and no verification method is accessible, recovery is not possible; support agents are not allowed to bypass this.
2. Use the Sign‑in Helper if the account is just blocked
   • For Outlook.com/Microsoft accounts that are blocked due to unusual activity, start with the Sign-in Helper as described in the Outlook.com unblock article.
   • Follow the prompts to receive and enter a security code. Any phone that can receive SMS can be used; it does not have to be pre‑registered.
3. If online unblock fails
   • If the account cannot be unblocked by entering a security code or changing the password, follow the guidance at “When you can't sign in to your Microsoft account” linked from the Outlook.com unblock article. That page includes the path to contact support.
4. Contact Microsoft Support via web (requires any working account)
   • Sign in with any other Microsoft account (or create a new one) and use the general support entry points:
     • For Outlook.com account issues, use the “Help” option in Outlook.com or the dedicated support link, then scroll to Still need help? and choose Yes to reach a support agent.
     • For broader Microsoft account and subscription issues, use the Account & Billing Help and enter your problem here links to reach support and request chat assistance.
   • Clearly describe that the account has been blocked for a long time, the backup email is defunct, and the recovery form has repeatedly failed.

Important limitations:

• For consumer Microsoft accounts, support agents cannot manually reset passwords or override the automated recovery decision if the system cannot verify ownership.
• If the recovery form and sign‑in helper both fail over an extended period, the account is generally considered unrecoverable, even if it is many years old.

If access cannot be restored, the only remaining practical step is to create and secure a new Microsoft account and update any services or contacts that previously used the old address.

References:

• Help with the Microsoft account recovery form
• Microsoft account has been locked
• Unblock my Outlook.com account
• Reactivate an account that has been blocked
• My personal hotmail account hacked by hacker with authentication app enabled. - Microsoft Q&A
• I need to speak with a real person and it seems impossible. - Microsoft Q&A
• Need help with hacked microsoft account - Microsoft Q&A
• How do I send an email to Microsoft about my account being hacked and taken over by <removed> ? - Microsoft Q&A