Hello @霁云 姜 ,
Thanks for reaching out.
Outlook.com is currently not supported in the Q&A forums, the supported products are listed over here https://learn.microsoft.com/en-us/answers/products (more to be added later on).
Here are Support Resource for Outlook.com:
How to get support for Outlook.com.
You will need to sign in first to get support. If you can't sign in, go to Account support.
Please "Accept the answer" if the information helped you. This will help us and others in the community as well.