The Field dialog box is displayed. If formatting is available for the field, the Field Format button is displayed.
In the Additional Format dialog box, the current value of the field is displayed. When you select an option, the result is displayed in Preview.
For example, to convert inches to millimeters, enter 0.03937.
For example, enter mm for millimeters.
In the Field dialog box, the field value is displayed in Preview with the formatting you specified.