Microsoft 365 中用於設定 Office 應用程式、兌換產品金鑰及啟用授權的流程。
Hello Jason12345pk, Good day. Thanks for posting in the Microsoft Community. We are happy to help you.May I know which app you are using when you get this error? Or you are signing in the online version such as https://office.com?Would you mind provide some screenshots related?(Please hide your personal private information in the screenshot)Thank you very much for your valuable time and your cooperation.
Best regards,
Trish - MSFT | Microsoft Community Support Specialist