This feature is available in Catalyst, Enterprise, and Ultimate editions.
In any grid, you can rank portfolio items and backlog Items numerically using the Order column. This allows you to prioritize what items should be worked on first. Follow the steps in this article for instructions on how to display the Order column on the grid, and then how to designate a numerical ranking order.
In the top right corner of a grid, click , and then select Customize.
In the Customize Columns window, select both check boxes next to Order, and then click Save to return to the grid.
Enter a number to designate the ranking order in the Order column fields or click the Up or Down arrows to change the order. You can now sort the grid by priority (optional).
In order to rank work items, the grid must be set to the default sort order. To learn more, see Resetting the Default Sort Order.