How to Edit a Contact List That is Associated with a Campaign
Start on the homepage of the dashboard. Click on the Orange lettering at the top of the page that says “Contact Lists”.
Click “View” on the Contact List you want to edit.
Click “RETRIEVE CSV FILE” towards the top right of the page to load the CSV file again. Make the edits deemed necessary. Save the list.
You now have to re-upload the contact list you just saved. Follow the steps outlined in “How Do You Upload A Contact List and Associate it to a Campaign” from here on out, located here.