After you create a calculated field in an Excel pivot table, you might want to remove it from the pivot table layout. You can temporarily remove a calculated field, or you can permanently remove it.
In this example, the pivot table has a calculated field named Bonus. It appears in the Values area as Sum [...]

If you’ve used calculated items and calculated fields in your pivot table, you can automatically create a list of all the formulas.
List the Formulas in Excel 2007

Select any cell in the pivot table.
On the Ribbon, under the PivotTable Tools tab, click the Options tab.
In the Tools group, click Formulas
Click  List Formulas.

A new sheet [...]