- In Outlook 2010 (or Outlook 2013), on the File tab, click the arrow next to Account Settings, and then click Account Settings.
- In the Account Settings dialog box, on the E-mail tab, select your account, and then click Repair. Follow any prompts from the repair wizard.
- When the repair is done, restart Outlook 2010.
To re-create your account settings, click on Remove instead of Repair then click on New to re-create your account settings.