Managing personal Outlook.com account settings, security, and privacy
Hello, I’m Virginia a fellow Windows user.
You’re only in contact with other customers here & Microsoft rarely post in relation to security/account access problems other than to point users to the relevant recovery methods.
As you haven’t mentioned what you have already tried, I have to ask when was the last time you accessed the account via a Microsoft website? If more than 1 year then it most likely has been deleted due to lack of use.
Otherwise try recovering your account here:
Or:
If none of the above work then you’ll require the account recovery form:
Please note if you have 2/multi factor authentication active on your account then you cannot use the form to recover the account.
If you’re successful in changing the details then you may find that the account is limited for 30 days, this is a security feature & cannot be circumvented.
Please be aware that as the email address has been changed to that of the hacker &/or 2fa/mfa has been enabled then usually there’s nothing which can be done. You would need to create a new account & request that Microsoft transfer any purchases & subscriptions to the new account.
To request a transfer of purchases & subscriptions contact Microsoft here: