Select the Invoices tab from the left-hand sidebar (or the invoices subtab on the Booking)

Review the columns in your list, if Payment Due is not listed, follow to next step. If it is, jump to step 6

Select the Column Button on the top, right side of your list (above the "export as button)

Drag Next Payment Due Date from the Unused Columns to Columns in Use

Click Apply

Click on the Next Payment Due Column Heading to sort your list by Payment Due

If desired, you can save the view by clicking the Save View button (learn about that here)

If desired , you can export your list to a CSV