Go to settings click mail and delete account. It logs you out it doesn't delete your actual account.
You can delete your yahoo email by visiting the Terminate Your Account Page. After entering your information and the captcha, click on Terminate Your Account.
You can log into your account and then chose the option to delete the account or send an email to yahoo to close the account
Yes, we can deactivate a yahoo mail account.
Yes
there is no master password for yahoo mail account
You can get a Yahoo! Mail at the link below -
Login with your username and password then follow the prompts at the bottom of the next page.
Yahoo email accounts are automatically terminated if not used for a certain period of time but if you are looking to delete the account now then sign into the email account your looking to delete. Click my account and you will see an option for deleting your account. Remember, once deleted you cannot go back to the email account.
Yahoo Mail is saved forever, unless you delete it.
Yahoo would not let you store more than 10mb but if they see the account being spammed they would remove it
To delete your yahoo email account: Log into Yahoo, go to Options (located far top right corner) > Mail Options > Accounts (left menu 5th one down) > Add or edit an account > then select the account you would like to delete and click the Delete button. Hope this helps... -Just My Opinion :)