To export the list: 

  1. Click Contacts.
  2. In your left-hand menu, click the group of contacts you want to export or search for your contacts.
  3. Select all of the email addresses that displayed by clicking the check box in the upper-left corner of your results.
    Checkbox
  4. Click "Export" in the menu.
  5. Choose the fields you want to include in your export.
  6. Click Export Contacts.
  7. Click "Activity" in the yellow sub-menu at the top of your screen.
  8. Click "Download CSV" .
    Note: It may take a few moments for that link to be available. Click the refresh icon in the gray bar for the most updated  information. 
  9. Depending on your browser, a pop-up message will give you the choice to save or open the file. 
  10. Click Save and choose your desktop as the location for the file.
Save this file for importing into MeshMail.