Cabinets have 2, 3, 4, or 5 drawers, and are made for either letter-size paper or legal-size paper.
Letter-size cabinets are typically 15 inches wide and legal size are 18 inches wide.
The typical office vertical file cabinet is 28 inches deep and the drawer holds 27 inches of files. Shallower cabinets are also made: 26 inch deep cabinets with 25 drawer depth, 25 deep cabinets with 23 inch drawers