The force of static friction does no work and you do no work against this force . Even though you may be pushing hard against an object acted on by the force of static friction, the object is not moving. You, however, do work against the force of sliding friction. Nd on the cabinet.
Work is the conversion of one form of energy into another.
Sliding friction converts most of the work you do on the file cabinet into thermal energy. As you slide the cabinet across the floor, the bottom of the cabinet and the floor get warmer. This thermal energy cannot easily be converted back into ordered energy, it cannot easily be used to do useful work. Sliding friction also causes wear. Some of the work you do on the file cabinet is converted into electrostatic potential energy.