Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi! My name is Aj and Im an Independent Advisor here to help! Im sorry to hear about your account. Please check this link for hacked account and use the Sign in helper tool https://support.microsoft.com/en-us/account-billing/how-to-recover-a-hacked-or-compromised-microsoft-account-24ca907d-bcdf-a44b-4656-47f0cd89c245.
If the tool wont work proceed in submitting the account recovery form at https://account.live.com/acsr and provide as much information as possible about your account such as old passwords, subjects of recent emails, Xbox or Microsoft services used, and billing information. Microsoft support uses that to verify ownership when the security info is not working. Also, use a device / location / network you often used with that account. You can submit up to 2 forms a day, guesses are okay. After submission allow 24-72 hours for verification.