If you want to change your list's details, such as sender name and email, your list's name and your list's language, you can do so from within your list's options.
TO CHANGE YOUR SENDER NAME AND EMAIL
Click on the Contact List tab and locate the correct list. On the left-hand menu click on Manage Emails > Set sender name & email.
Remember: this information will appear in the header of the email campaigns you create as well as the confirmation and welcome emails sent when someone signs up using a form.
TO CHANGE YOUR LIST'S NAME
Click on the Contact List tab and locate the correct list. Under the list name you will see the option to Rename.
You may also change the list name from within the list by clicking on Rename list