Microsoft Account name/User name
Category:
Account / Password（アカウントとパスワード）
The account information required to sign in to your Microsoft account is it will be as follows.
Email address: "student number"@sic.shibaura-it.ac.jp
Account: "student number" @sic
Password: Windows / ADFS password
*Same as Scomb
Click the "Login" button and enter your user name and password to log in.
User name is "account@sic (Example: aa00000@sic)"
The password is the "Windows / ADFS password".
There is a manual on how to log in can be found at the following URL, so I hope you can check it.