In Version 7.93 and earlier versions: 

On the Output tab, choose the desired email number field by performing the following:

  1. Open Addresses, Preferred Address, Preferred Phones, Preferred Specific Phones, Email and select Email Number.
  2. Once the Email Number has been added to your Output fields, click Run Now or the Results tab to view the email addresses.
Note: This is not available in versions 7.94 and up.  To output email addresses based on Primary E-mails, follow the steps at export the Phone Number field based on the Is Primary? option for the Order By field in the Export Module.