This screen is used by many other screens inside of NS8 Protect and other NS8 products to allow you to customize the fields viewed in the detail section of a screen (and those that are available for export).
On pages where columns can be customized the screen can be accessed using the icon highlighted with the arrow below.
Clicking within the field list will allow you to choose additional fields to be displayed as shown below.
Clicking on the x next to a field name will allow you to remove a field.
If you would like to reorder the fields being displayed you can drag and drop them into a different order.
If you want to save a customized view for future use, simply bookmark the results page and you will be able to return to this view.