When you want to delete a cost account that is the project default cost account or has activity assignments, use the Select Replacement Cost Account dialog box to specify which cost account you want to substitute for the cost account you are deleting.
Display Options bar: Click to change the fonts or colors in the dialog box.
Cost Account ID: Lists cost account IDs. To sort the display, click the Cost Account ID column label.
Cost Account Name: Lists each cost account's name. To sort the display, click the Cost Account Name column label.
Select: Reassigns the deleted cost account's assignments to the selected cost account.