A filing cabinet is a piece of office furniture usually used to store paper documents in file folder

File folder

A file folder is a kind of folder that holds loose papers together for organization and protection. File folders usually consist of a sheet of heavy paper stock or other thin, but stiff, material which is folded in half, and are used to keep paper documents...

s. In the most simple sense, it is an enclosure for drawers in which items are stored. The two most common forms of filing cabinets are blocky files and diagonal files. A vertical file cabinet has drawers that extend from the short side (typically 15 inches) of the cabinet. A lateral file cabinet has drawers that extend from the long side (various lengths) of the cabinet.