As a lot, you can adjust column settings, which means you determine which field(s) of background data should be displayed for each recipient. These are the fields outlined in the image below:
To adjust column settings, click on the "Column Settings" tab. Here, you'll see which fields of background data are available and which ones are currently displayed:
Adjust Fields
Select the fields you want to appear, then click the arrow in the middle pointing to the right to move them to Selected Fields.
To remove fields, select the fields you want to remove in Selected Fields and click the arrow in the middle pointing to the left.
The order of fields in the Recipients view follows the same order as the selected fields in the Column Settings view. If you want to change the order, you can do so using the up/down arrows to the right of the Selected Fields box.