Select the footing. A grab handle is displayed at each end.
Hover your pointer over the end
you want to stretch. The Lengthen cursor is displayed.
Click and drag the footing end until it has reached the desired length.
Release your mouse button.
You can lengthen or shorten an individual footing by clicking and dragging one of the footing’s ends.
To lengthen or shorten a footing:
Select the footing. A grab handle is displayed at each end.
Hover your pointer over the end
you want to stretch. The Lengthen cursor is displayed.
Click and drag the footing end until it has reached the desired length.
Release your mouse button.