The default WBS code for the WBS elements (i.e., 1.1, 1.2, 1.3 …) can be shown by enabling the "Outline Number" under the Format tab. You can also create custom WBS codes with the help of this tool. The graphical side has various timescales, and, in our case, it has three tiers—the top tier in quarters, middle tier in months, and the ...