A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
To view the field list you need to click on any of the cell (data cell) within the pivot table and then use the key board shortcut alt+jt+L
To add or remove the fields to the report under the pivot table field list, you have to click on any of the field and use the space bar.
For more help regards to pivot table you may also post in the below forum: