Final answer:
The correct way to remove a field from a PivotTable in Microsoft Excel is by dragging the field out of the PivotTable Fields pane.
Step-by-step explanation:
To remove a field from an area of the PivotTable Fields pane in Microsoft Excel, the correct action to take is typically C) Drag the field out of the area in the PivotTable Fields pane. This is the most common and intuitive method for manipulating fields in a PivotTable. While some versions of Excel may allow you to right-click and remove a field, the dragging technique works across all modern versions. Additionally, pressing the "Delete" key or using a button in the "PivotTable Tools" typically does not directly remove fields from the PivotTable Fields pane.