When items in a field are hidden by filtering a field or filtering by selection, the arrow in the field label is blue. When items are hidden by filtering for top or bottom values, the filtered field displays a funnel
image to the left of the arrow.
Remove all filters
Note If you click AutoFilter again to turn filtering back on, the previously set filters will be reapplied.
Remove an autofilter or filter by selection from a field
Remove a conditional filter from a field