3 Drawer File Cabinet with Lock - Under Desk Rolling Filing Cabinet

Our review of this 3 drawer file cabinet with lock finds it best for home offices or small workspaces that need compact, secure storage. The single biggest reason to buy is its combination of adjustable hanging rails and a sturdy metal build that fits under most desks while handling a variety of file sizes, from A4 to legal. It is a practical, space-saving solution for someone who wants a tidy workspace with lockable security and easy mobility from the included casters.

Key Features

• Three drawers with lock: Provides organized, secure storage so sensitive files can be locked away when not in use.
• Adjustable hanging bars: Two removable hanging bars allow quick reconfiguration for letter, legal or A4 hanging folders.
• Metal construction: Anti-rust electrostatic sprayed steel provides durable protection and long service life for everyday office use.
• Rolling mobility: Five casters, including two front brakes and a center caster, make it easy to move and keep stable under a desk.
• Space-saving fit: Designed to slide under most desks to free up floor area while increasing usable storage in small offices.
• Insect-resistant drawer border: A closed drawer border reduces the chance of mice or small insects entering the drawers.

Who It's For

This cabinet suits remote workers, freelancers and small office teams who need a compact, lockable filing solution that accepts multiple file sizes. It is especially useful where floor space is limited and a cabinet must fit under a desk while still holding letter, legal and A4 folders.

Those who rely on fully assembled furniture or need instant out-of-box use may want a preassembled unit, because this product requires user assembly and some buyers report mixed experiences with the instructions. If you need heavy industrial storage or large capacity beyond three drawers, consider a larger vertical cabinet instead.

Pros & Cons

Pros

• Secure locking mechanism offers privacy for important documents.
• Flexible hanging bar system accommodates letter, legal and A4 filing styles.
• Solid metal build with anti-rust finish feels sturdy and durable once assembled.
• Casters and brakes provide easy movement and stable positioning under a desk.

Cons

• Assembly is required and instructions are not always clear for all users.
• Three drawers limit total capacity compared with larger vertical cabinets.

Specifications

Product type	Three drawer metal file cabinet
Lock	Yes, drawer lock
Hanging file support	2 removable hanging bars (adjustable for letter, legal, A4)
Construction	Metal with anti-rust electrostatic spraying
Mobility	Five casters (two front casters with brakes, one center anti-tip caster)
Load capacity	Up to 200lbs total
Assembly	Required, labeled parts and instructions included

Our Verdict

For home office users and small teams who need a tidy, secure place for mixed-size files, this rolling 3 drawer file cabinet is a practical value. Its sturdy metal construction, adjustable hanging bars and locking drawer make it a sensible choice when under-desk storage is required, though buyers should expect to spend time on assembly and verify the fit under their desk before purchase.

Frequently Asked Questions

Can it hold legal-size files?
Yes, the two removable hanging bars are adjustable to accept letter, legal and A4 hanging folders.

Does it come assembled?
No, the cabinet requires assembly; parts are labeled and instructions are provided but some users find the process challenging.

Are the casters lockable?
Yes, the unit includes five casters with two front casters that have braking function for stable placement.