1. Start Outlook.
  2. View the accounts.
    • In 2010/2013:
      1. Select the File tab.
      2. Click the Account Settings button.
      3. From the drop-down list, select Account Settings....
  3. Select your Exchange account.
  4. If prompted, in the Password: text box, type your password.
  5. Click the Change... button.
  6. Click the More Settings... button.
  7. Select the Security tab.
  8. Place a check in the Always prompt for logon credentials check box.
  9. Click OK.
  10. Click the Cancel button.
  11. Click the Close button.
  12. Restart Outlook.