You can manage your contacts in the Address Book app
!To add a single contact you can name your "group" and press continue without uploading a group. Then you are directed to the group where you can add a new contact by clicking on New Contact.
You can have 4 types of selection options and you can always if you don’t want to add the column.
How to change the name and value of a column:
Click on the dropdown menu (“First name” in this example) a. For phone numbers you are asked to select a country for when we are missing an international phone format. Please ensure the country codes are set-up properly if you are sending to multiple destinations.
Select Custom Label # and change the name in the top fill-out box
Click on “Save”
If you want to use a column for the complete text of a message, we recommend using Custom Field 1 When you’ve saved or skipped all columns, press continue