You can order your invoice list with 7 different values: Invoice Number, Invoice Date, Event Date, Project, Status, Due Date and Amount.
To order your list, press the ‘Ordered by…’ item below the search bar, 7 different options will popup. All items will be ordered from A to Z and 0 to 9.
If you want to turn around the order (Z to A and 9 to 0), press the order option a second time. You will see either 'ASC' for ascending or 'DESC' for descending.