
See https://support.microsoft.com/en-us/office/renew-or-cancel-your-microsoft-365-for-business-subscription-91f5e912-24ab-433c-92ea-9f77345ce282 . Since you cannot access your account, these steps may not work. For business phone support, read more at https://support.microsoft.com/en-us/topic/customer-service-phone-numbers-c0389ade-5640-e588-8b0e-28de8afeb3f2 .