Insertion
After its creation in the Fields Manager, insert a column
▪on the left of a given column: select this column and select Show column(s) or Insert field(s)
▪as the rightmost column: right-click outside the WBS and select Show column(s) or Insert field(s).
As the Expanded WBS features a variety of columns created with the Fields Manager, the dialog is different than the Condensed WBS one. Prior to removing the filter, only the invisible fields (with a pink pictogram) are listed out. To show a column (in its previous position), select and check it, and click Insert:
To quickly find a row in the list, enter a string in the upper right corner and click Find and remove the Visibility filter.
The search is not case-sensitive.
To return to the full list, click the X in the input box.
Restoration
Hiding: select the column(s), then right-click and select Hide column(s)
Restoration in its previous position: select any column, then right-click and select Unhide column(s) or Insert field(s); select the row in the dialog, and click Insert.
Alternative: Home>Edit>Format>Visibility.
To notice that columns have been hidden, switch to Edit mode and look for gaps in the references sequence.