Search only in titles Change WBS category values (P6 Professional Only) Defining Administrative Categories (P6 Professional Only) > WBS Category (P6 Professional Only) Choose Admin, Admin Categories. Click the tab that displays the name of the current WBS category. Double-click the value you want to change, then type the new value. Note If you change a category value, your change applies to all WBS assignments. Last Published Monday, March 11, 2024