1. On your iOS device, tap to open the Settings app.

  1. Tap on Passwords & Accounts.

  1. Tap the email account you wish to remove, commonly named Exchange.

  1. At the bottom, tap on Delete Account
  1. You will be prompted to confirm the deletion. Yes, this is safe! In most cases, your Mail, Contacts, Calendars, etc are “in the cloud” and will sync back to your phone when you re-add the account.
  1. Wait for the deletion to complete. When you are returned to the list of your accounts, you have successfully removed your Exchange account from your iOS device.