How do you close an existing mailbox and open another, or how do you change your user ID?

I need to close my existing mailbox, or change my email address/user ID. I have to eliminate some people from using the current email. Please help me with this matter. Thank you.How do you close an existing mailbox and open another, or how do you change your user ID?
Go here: https://edit.yahoo.com/config/delete_use Follow the prompts to close out your account. Please be sure to read all warnings very carefully during the account deletion process. Once you terminated your account, you'll lose access to it as well as all the saved information that was stored there.



From there, you can open up a new email account by going here: https://edit.yahoo.com/registration?How do you close an existing mailbox and open another, or how do you change your user ID?
Use this link to close: https://edit.yahoo.com/config/delete_use



Use this link to open: https://edit.yahoo.com/config/eval_regis