Change Resources tab columns

Choose Project, Activities.
Display Activity Details, then click the Resources tab. See Display window details.
Right-click anywhere in the tab, then choose Customize Resource Columns.

To add a column to the Resources tab, in the Available Options section, click the column you want to add, then click .

To remove a column from the Resources tab, in the Selected Options section, click the column you want to remove, then click .

To return to the default columns settings, click Default.

To change the title, width, and alignment of a column, select column and click Edit Column.

To apply your changes without closing this dialog box, click Apply.
Click OK.