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To retrieve your Outlook email account, go to the Microsoft account recovery page, enter your email or phone number, and select "I forgot my password". When prompted for a verification method, choose "I don't have access to any of these" to proceed to the account recovery form. Provide as much accurate information as possible, such as previous passwords, contacts, and folder names, to help Microsoft verify your identity and regain access to your account. 
Step-by-step instructions for retrieving your account:

How do I retrieve my Outlook email account