Click the Admin tab.
In the side panel, select Distribution lists.
A list of the existing distribution lists is displayed.
To see the distribution list details and to edit the distribution lists, click a distribution list name. A list of the contacts in the distribution list is displayed.
To edit the contacts of the displayed list,
you can do the following:
To add contacts to the list, click the Modify button and select the contacts from the list. Click Close.
To delete a contact, click the Modify button and click the Delete button
after
the contact name.To edit a contact's information, click Contacts in the side panel. See topic Contacts Basics.
You can reorder the distribution lists
and contacts by clicking the arrow icons 
.
Save the changes by clicking the Save button.