If you’ve ever deleted an email account from your iPhone, there’s a good chance you want to add it back. Here’s how:

  1. Open the Settings app on your iPhone.
  2. Tap Mail, Contacts, Calendars.
  3. Tap the account you want to add back.
  4. Tap Add Account…
  5. Enter your login information for the deleted email account and tap Next.
  6. Confirm that the account is correct and tap Finish. ..