How do I delete a mailbox account?

Android
  1. Go to Applications > Email.
  2. On the Email screen, bring up the settings menu and tap Accounts.
  3. Press and hold the Exchange Account you want to delete until the Menu window opens.
  4. On the Menu window, click Remove Account.
  5. On the Remove Account warning window, tap OK or Remove Account to finish.

How do I remove a mailbox from my Mac?

Delete mailboxes
  1. In the Mail app on your Mac, select a mailbox in the Mail sidebar.
  2. Choose Mailbox > Delete Mailbox. If you have problems deleting a mailbox on the server for an IMAP account, contact the provider of your account.

Why can’t I delete a mailbox in Mac Mail?

You could try highlighting the Mailbox in question; going to Toolbar, Click on “Mailbox” and, from drop down menu, select “Rebuild”. When that’s finished, try deleting the mailbox – right click or ctrl click on it and select Delete from menu.