Please note that our forum is a public platform, and we will modify your question to hide your personal information in the description. Kindly ensure that you hide any personal or organizational information the next time you post an error or other details to protect personal data.
I understand how concerning it is to lose access to both the computer and email account. Since this is a public forum, I'll remove your email account for your security
Unfortunately, nobody in the community can manually unlock or make changes to the account. Please use the Microsoft account sign-in helper and follow the instructions it provides.
If the sign-in page specifically says the account is locked, request a security code or follow the reinstatement link displayed on that page. Only Microsoft’s account team can review a reinstatement request.
Thank you for your understanding