(i) The system can contain large number of filing records.
(ii) Colour labels when used makes records easier to trace or refer to.
(iii) It is cheap to operate or the cost of operation is minimal.
(iv) It can be built as high as possible as ladder serves as supporting material to get to higher range(s).
(v) It is more economical in the use of space than cabinets as no room need be allowed for drawer.