You can still activate it by phone, it just tells you it can't be: https://support.office.com/en-us/article/-telephone-activation-is-no-longer-supported-for-you

You can still activate it by phone, it just tells you it can't be: https://support.office.com/en-us/article/-telephone-activation-is-no-longer-supported-for-your-product-error-when-activating-office-9b016cd2-0811-4cb3-b896-5a6a13177713 https://support.office.com/en-us/article/-telephone-activati...