アカウントのドメインを変更したい

Hi 柳谷俊宏, 

Welcome to the Box Community!

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Google Translate or other tools may help! If any community members are able to understand and help, it would be greatly appreciated!

Regards,

I would like to change the domain of our account.
Please let me know how to proceed.

メールアドレス変更したいのですが。よろしくお願い致します。

メールアドレスのドメインを変更したいのですがどの画面で修正できますでしょうか。