Best picks

Best 2 Drawer Metal File Cabinets With Locks: Top 8 Picks (November 2026)

Updated on · By the Scrap Jammies team

The best 2 drawer metal file cabinets with locks include the SISESOL 2 Drawer File Cabinet with Lock for everyday home paperwork, the Staples 2-Drawer Vertical File Cabinet for letter-only filing, and the Letaya 2-Drawer Lateral Cabinet with Hanging Rails for wide legal-size loads.

On this page (9 sections)
  1. The best 2 drawer metal file cabinets for locked home storage
  2. How these 2 drawer metal file cabinets compare
  3. What should you measure before buying a locked file cabinet?
  4. Which drawer layout fits your paperwork?
  5. Which folder sizes does each cabinet hold?
  6. How secure is a key lock on a metal file cabinet?
  7. Do you need a rolling or stationary cabinet?
  8. What should you know about assembly and upkeep?
  9. The verdict on the best 2 drawer metal file cabinet with lock

The best 2 drawer metal file cabinet with lock for most homes is the SISESOL 2 Drawer File Cabinet with Lock, because it locks letter, legal and A4 files in a narrow footprint that tucks beside a desk. For wider legal-size loads, the Letaya lateral models do more per drawer.

For a cabinet you move from room to room, the Letaya mobile model arrives already built.

Household documents pile up fast, and a locked metal cabinet keeps birth certificates, tax folders and warranty papers out of the way and out of reach. Two drawers is usually enough for a family, and metal stands up to moisture and fire better than wood.

Steel also wipes clean and does not warp when a basement room turns damp.

This guide compares eight cabinets on drawer layout, lock type, folder sizes and footprint. Every pick carries a score based on its specs and features against what a home filer needs.

Our file cabinet with lock guide covers the wider market if two drawers isn't enough.

Our picks at a glance

  1. 1 SISESOL 2 Drawer File Cabinet with Lock
    Best for everyday home paperwork

    SISESOL 2 Drawer File Cabinet with Lock

    9.4/10 our score

    See it on Amazon
  2. 2 Staples 2-Drawer Vertical File Cabinet
    Best for letter-only filing

    Staples 2-Drawer Vertical File Cabinet

    8.7/10 our score

    See it on Amazon
  3. 3 Letaya 2-Drawer Lateral Cabinet with Hanging Rails
    Best for wide legal-size loads

    Letaya 2-Drawer Lateral Cabinet with Hanging Rails

    8.5/10 our score

    See it on Amazon
  1. 4Letaya Wide 2-Drawer Lateral File Cabinet

    Letaya Wide 2-Drawer Lateral File Cabinet

    Best for fitting under a desk
    Check it
  2. 5Letaya 2-Drawer Mobile Under Desk File CabinetCheck it
  3. 6Firstsky 2-Drawer Metal File Cabinet with LockCheck it
  4. 7AFAIF 2 Drawer File Cabinet with Lock

    AFAIF 2 Drawer File Cabinet with Lock

    Best for small home offices
    Check it
  5. 8Korolado 2 Drawer Metal Rolling File Cabinet

    Korolado 2 Drawer Metal Rolling File Cabinet

    Best for moving around the house
    Check it

The best 2 drawer metal file cabinets for locked home storage

The SISESOL wins on balance: narrow, secure and roomy enough for mixed paper sizes. The rest earn their place by doing one job better, from wide lateral drawers to a printer-ready top.

Each write-up below names the room and the paperwork that suit it best.

1

SISESOL 2 Drawer File Cabinet with Lock: Best for everyday home paperwork

SISESOL 2 Drawer File Cabinet with Lock, 2 drawer metal file cabinets with locks
9.4/10Our score
  • Fits letter, legal and A4 files
  • One key lock with two foldable keys
  • All-metal body with powder coating
  • Top holds up to 120 lb

A compact vertical cabinet that keeps a household's important papers locked and within reach without taking a wide slice of floor space.

See it on Amazon

Pros

  • Narrow footprint for tight rooms
  • Fits three common paper sizes
  • Top doubles as a small shelf

Cons

  • Needs assembly
  • At 51 lb it is heavy for a compact vertical cabinet

SISESOL is the pick for a home office or a bedroom corner where floor space is tight. At 17.7 inches deep and 15 inches wide, it stands narrow but holds letter, legal and A4 folders in its two deep drawers.

That mix matters if you keep both standard letters and long legal paperwork in one place. The drawer runs are designed to be quiet, so a late-night search won't carry through the house.

The key lock covers the drawers and comes with two foldable keys, so a spare stays flat in a wallet or drawer. Its all-metal body gets an electrostatic, phosphorus-free epoxy coating that resists corrosion and rust.

The top holds up to 120 lb, enough for a small printer or a stack of binders. Its straight base sits flush on the floor.

Assembly is required, and SISESOL offers an installation video to help. At 51 lb it's heavy for a compact vertical cabinet, so plan a spot before you build it and set it down where it will stay.

Pick it when you want one secure, compact cabinet for the whole household's papers.

SISESOL 2 Drawer File Cabinet with LockCheck it on Amazon
2

Staples 2-Drawer Vertical File Cabinet: Best for letter-only filing

Staples 2-Drawer Vertical File Cabinet, 2 drawer metal file cabinets with locks
8.7/10Our score
  • Letter-size hanging folders
  • Single lock secures both drawers
  • Black metal body
  • Staples backs it with a 7-year limited warranty

A straightforward letter-size cabinet from a known office brand, with a long warranty and the lightest build here.

See it on Amazon

Pros

  • 7-year limited warranty
  • Light enough for one person to move
  • Single lock covers both drawers

Cons

  • Letter-size folders only
  • Assembly required

Staples suits a buyer whose filing is all letter-size and who wants a familiar office brand behind the cabinet. The two vertical drawers hold letter hanging folders, and a single lock secures both drawers, so one key covers your private papers.

Staples designs the lock to keep unauthorized users out of sensitive documents.

Its dimensions of 18 inches deep, 14 inches wide and 24.1 inches high make it the smallest cabinet in this group. At 28.6 lb it's light enough to move without help, which helps if you rearrange a small office now and then.

The compact size suits cubicles as well as home rooms.

Staples backs it with a 7-year limited warranty, the longest coverage on this list. The finish is polished rather than powder coated.

The trade-off is size flexibility: legal folders won't hang in its drawers. Choose it for a tidy letter-only system and skip it if your paperwork runs long.

Staples 2-Drawer Vertical File CabinetCheck it on Amazon
3

Letaya 2-Drawer Lateral Cabinet with Hanging Rails: Best for wide legal-size loads

Letaya 2-Drawer Lateral Cabinet with Hanging Rails, 2 drawer metal file cabinets with locks
8.5/10Our score
  • Adjustable hanging rails for letter, legal and A4
  • Interlock lets one drawer open at a time
  • Ball-bearing full-extension slides
  • Powder-coated steel body

A wide lateral cabinet for households that keep long legal documents or several folders in each drawer.

See it on Amazon

Pros

  • Wide drawers hold more per shelf
  • Anti-tilt interlock
  • Full-extension slides reach the back

Cons

  • Widest footprint here at 28.35 in
  • Weighs 105 lb

Letaya's lateral cabinet suits a household with long legal documents or several folders per drawer. At 28.35 inches wide and 27.95 inches tall, the two wide drawers spread papers sideways rather than stacking them deep.

Adjustable hanging rails fit letter, legal and A4 folders. Letaya calls the steel reinforced and high strength, and describes the drawers as deep and spacious.

An interlock lets only one drawer open at a time, which helps prevent tipping when the top drawer is full. Ball-bearing full-extension slides bring the back of each drawer within reach.

The powder-coated steel body resists rust and scratches. Ergonomic handles make the drawers easy to pull.

At 105 lb, this is the heaviest cabinet on the list, so two people should move it. Its width also needs clear wall space.

Pick it when drawer capacity matters more than a small footprint. It also suits a home office where several people share one locked cabinet.

Letaya 2-Drawer Lateral Cabinet with Hanging RailsCheck it on Amazon
4

Letaya Wide 2-Drawer Lateral File Cabinet: Best for fitting under a desk

Letaya Wide 2-Drawer Lateral File Cabinet, 2 drawer metal file cabinets with locks
8.4/10Our score
  • Hangs A4, letter and legal folders
  • Interlock secures all drawers
  • Ball-bearing slides
  • Low height for under-desk use

The extra width and modest height make this lateral cabinet a natural fit beneath a home office desk.

See it on Amazon

Pros

  • Widest drawers in this group
  • Interlock prevents tipping
  • Assembles in about 30 minutes

Cons

  • Takes a lot of wall width
  • Key lock only

This Letaya model takes the lateral idea and stretches it: 36 inches wide but only 29 inches tall, so it slides under a home office desk while holding wide drawers. The two drawers hang A4, letter and legal folders on adjustable bars.

Letaya describes the all-steel body as thick and cold rolled, with a powder coat that resists corrosion and rust.

The interlock system secures all drawers and stops more than one opening at once. Ball-bearing slides run smoothly and quietly.

Letaya says the cabinet assembles in about 30 minutes with the included tools and instructions. The folding key is easy to carry, and Letaya pitches the modern look as a match for other office furniture.

Its footprint is the main cost. A 36-inch width eats a lot of wall or desk space, so measure the gap under your desk before buying.

Choose it when you want lateral storage that doubles as desk support and don't mind the width. The deep drawers also help if you keep bulky binders as well as folders.

Letaya Wide 2-Drawer Lateral File CabinetCheck it on Amazon
5

Letaya 2-Drawer Mobile Under Desk File Cabinet: Best for rolling under a desk

Letaya 2-Drawer Mobile Under Desk File Cabinet, 2 drawer metal file cabinets with locks
8.1/10Our score
  • Fully assembled cabinet
  • One key locks both drawers
  • Lockable wheels plus an anti-tip wheel
  • Hangs letter, legal, A4 and F4 files

A rolling cabinet that arrives built, so the only job left is fitting the wheels and moving it where you need it.

See it on Amazon

Pros

  • Arrives fully assembled
  • Wheels lock in place
  • Fits four folder sizes

Cons

  • Wheels need separate installation
  • Lighter steel than the lateral picks

Letaya's mobile cabinet arrives fully assembled, which makes it the easiest pick to put to work. You fit the wheels, then roll it under a desk or into a corner.

One key locks both drawers, and each drawer hangs A4, F4, letter or legal files. Letaya says each drawer can hold 150 to 300 files, and the drawer interior measures 12.1 inches wide by 16.3 deep by 9.8 high.

Its lockable wheels plus one anti-tip wheel keep it steady when parked. All drawers share an interlock so only one opens at a time.

The steel body is 0.8 mm thick, which Letaya says is firmer and more moisture resistant than wood cabinets. Ball-bearing slides keep the drawers quiet.

It's 26.18 inches tall and 14.57 inches wide, a slim shape for a rolling unit. Choose it if you move your workspace between rooms.

Skip it if you want the heavier lateral build and don't need wheels.

Letaya 2-Drawer Mobile Under Desk File CabinetCheck it on Amazon
6

Firstsky 2-Drawer Metal File Cabinet with Lock: Best for a printer on top

Firstsky 2-Drawer Metal File Cabinet with Lock, 2 drawer metal file cabinets with locks
7.9/10Our score
  • Wide top surface for a printer
  • Lock with two keys
  • Adjustable hanging rods for letter, legal and A4
  • Fire-resistant steel body

A lateral cabinet built to double as a printer stand, so the top does useful work while the drawers hold files.

See it on Amazon

Pros

  • Wide printer-ready top
  • Slides hold still when fully open
  • Adjustable hanging rods

Cons

  • Assembly required
  • Very wide for small rooms

Firstsky builds this cabinet to earn its floor space twice: a wide top surface holds a printer, and the two drawers below hold letter, legal and A4 hanging folders. At 35.43 inches wide, it's a lateral unit with a workstation on top.

Firstsky lists the cabinet as fire resistant and unbreakable in its features.

The slides hold still when fully open or fully closed, so a drawer won't creep shut while you sort. A key lock with two keys secures the drawers.

Firstsky says the cold-rolled steel body is dustproof and waterproof and that the slides stay virtually silent in use.

Assembly is required, and the width is the main trade-off. It needs clear wall space and two people to move.

Pick it for a home office where the printer needs a stand and the papers need a lock in the same footprint. Its adjustable hanging rods mean the same drawers can shift from letter to legal as your filing changes.

Firstsky 2-Drawer Metal File Cabinet with LockCheck it on Amazon
7

AFAIF 2 Drawer File Cabinet with Lock: Best for small home offices

AFAIF 2 Drawer File Cabinet with Lock, 2 drawer metal file cabinets with locks
7.8/10Our score
  • Locks all drawers with one key
  • Two keys included
  • Each drawer holds up to 55 lb
  • Water-resistant powder coating

A small vertical cabinet that fits beside or under a desk, with a lock that covers both drawers at once.

See it on Amazon

Pros

  • Compact footprint
  • Top holds a printer or scanner
  • Protective packaging with corner guards

Cons

  • Light-duty build
  • Assembly takes about 30 minutes

AFAIF suits a small office or study where the cabinet sits beside or under the desk. It's 15 inches wide and 24.6 inches tall, a compact vertical unit with two drawers.

One lock covers both drawers and comes with two keys. AFAIF notes the cabinet can be fixed beside or under the desk.

Each drawer holds up to 55 lb, and the powder-coated surface is water resistant and easy to wipe. The top can carry a printer, scanner or small appliance.

AFAIF describes the build as light duty, so keep the load within its limits. The drawer runs are described as deep and silent.

Parts arrive pre-numbered with clear instructions for about 30 minutes of assembly. Packaging includes foam and corner guards.

Choose it for light home filing and skip it if you expect heavy daily use or long legal folders in bulk.

AFAIF 2 Drawer File Cabinet with LockCheck it on Amazon
8

Korolado 2 Drawer Metal Rolling File Cabinet: Best for moving around the house

Korolado 2 Drawer Metal Rolling File Cabinet, 2 drawer metal file cabinets with locks
7.7/10Our score
  • Five 360-degree wheels
  • Interlock secures both drawers
  • Fits letter, legal and A4 files
  • Sealed bottom keeps out dust

The lightest rolling option here, with wheels that swivel in every direction and a sealed base.

See it on Amazon

Pros

  • Lightest rolling cabinet in this group at 34 lb
  • Two wheels lock when parked
  • Sealed bottom blocks dust and pests

Cons

  • Assembly required
  • Open-frame styling shows the drawer fronts

Korolado is the lightest rolling cabinet here at 34 lb, and its five 360-degree wheels make it the easiest to move. Two front casters lock when parked, and one anti-tipping wheel adds safety.

The two drawers hang letter, legal and A4 files on adjustable rods. At 14.6 inches wide and 26.5 inches tall, it slips under many desks.

Its sealed bottom keeps dust, mice and insects out of the cabinet, which helps in a garage or basement office. One interlock lock secures both drawers and comes with spare keys.

The removable drawers lift out when you want to carry a stack to a table. It measures 17.5 inches deep and comes with an anti-tip device and gloves in the box.

Assembly is required, and the open-frame styling leaves drawer fronts visible rather than flush. Pick it when you need to roll files to a table or move the cabinet between rooms.

Skip it if you want the solid look of a closed cabinet.

Korolado 2 Drawer Metal Rolling File CabinetCheck it on Amazon

How these 2 drawer metal file cabinets compare

The table lines up the specs that change how a cabinet fits your room: size, drawer layout, lock type and the paper sizes each one holds. Weight matters too, because it decides whether one person can move the cabinet or whether you need help.

ProductBest forSize (D x W x H)DrawersLockOur score
SISESOL 2 Drawer File Cabinet with Lockeveryday home paperwork17.7 x 15 x 25.4 in2 verticalKey lock, two keys9.4
Staples 2-Drawer Vertical File Cabinetletter-only filing18 x 14 x 24.1 in2 verticalKey lock8.7
Letaya 2-Drawer Lateral Cabinet with Hanging Railswide legal-size loads15.74 x 28.35 x 27.95 in2 lateralKey lock, two keys8.5
Letaya Wide 2-Drawer Lateral File Cabinetfitting under a desk16 x 36 x 29 in2 lateralKey lock8.4
Letaya 2-Drawer Mobile Under Desk File Cabinetrolling under a desk17.32 x 14.57 x 26.18 in2 mobileKey lock8.1
Firstsky 2-Drawer Metal File Cabinet with Locka printer on top15.75 x 35.43 x 28.03 in2 lateralKey lock, two keys7.9
AFAIF 2 Drawer File Cabinet with Locksmall home offices17.71 x 15 x 24.6 in2 verticalKey lock, two keys7.8
Korolado 2 Drawer Metal Rolling File Cabinetmoving around the house17.5 x 14.6 x 26.5 in2 mobileKey lock7.7

Our score weighs specs, features and buyer feedback against what you're shopping for. The SISESOL leads because it combines a narrow footprint with three folder sizes and a key lock.

The lateral models score well on capacity but lose points for width and weight. The rolling cabinets trade drawer size for mobility.

The Staples cabinet gains points for its warranty and loses some for letter-only filing.

What should you measure before buying a locked file cabinet?

Measure the floor space, the gap under your desk and your doorway first. A 2 drawer metal file cabinet with lock ranges from 14 to 36 inches wide and 24 to 29 inches tall, so the smallest and largest picks here need very different spots.

A quick sketch of the room with the cabinet outline saves a return.

Check the under-desk gap

A cabinet needs about 26 inches of clearance to roll or slide beneath a desk. The Letaya mobile model is 26.18 inches tall and the Korolado is 26.5 inches, so both fit many desks but not all.

Leave a little headroom so the top does not scrape the desk frame.

Check the doorway and stairs

Wide lateral cabinets like the Letaya at 36 inches and Firstsky at 35.43 inches may not clear a narrow doorway or tight stair turn. Measure the opening before delivery.

A cabinet that arrives boxed is even wider than its finished size, so measure the box clearance too.

Check the drawer depth

Vertical cabinets run deep, around 17 to 18 inches, to hold folders front to back. Lateral cabinets are shallower but wide.

Pick the shape that matches the wall or corner you have free. If the cabinet sits beside a door, a deep vertical model may block the swing.

Which drawer layout fits your paperwork?

Vertical drawers hold folders front to back in a narrow cabinet. Lateral drawers hold them side to side in a wide cabinet.

The right choice depends on your room's shape and how many folders you keep. Both layouts fit two drawers into the same cabinet height.

Vertical cabinets for narrow rooms

The SISESOL, Staples and AFAIF are vertical designs. They take little wall width and suit a corner or the side of a desk.

The trade-off is depth: they need about 18 inches of floor from front to back. A vertical cabinet is the better fit when your free space is a slim strip beside a desk.

Lateral cabinets for wide walls

The two Letaya lateral models and the Firstsky spread papers sideways. They fit under a long desk or against a wide wall.

A lateral drawer holds more folders per shelf, but the cabinet takes far more width. Two lateral drawers also sit lower, which helps when you reach in from a seated position.

Which folder sizes does each cabinet hold?

Letter-size folders fit every cabinet here. Legal and A4 support varies, so match the cabinet to the papers you keep most.

The hanging bars on several models adjust to change folder size without buying new drawers.

Letter-only filing

The Staples cabinet is letter-size only. It's a clean choice if your paperwork is standard letters and you don't keep legal documents.

Pick it when simplicity matters more than size range. Its single lock still covers both drawers, so security is not reduced by the narrower folder support.

The SISESOL, both Letaya lateral models, the Letaya mobile cabinet, the Firstsky and the Korolado all hang letter, legal and A4 folders. Some add F4 support, including the Letaya mobile cabinet.

For mixed paperwork, choose one of these. Our 3 drawer lateral file cabinet roundup covers bigger versions if you need more than two drawers.

How secure is a key lock on a metal file cabinet?

A key lock keeps casual visitors out and stops children from reaching private papers. It is not a safe: the steel is thin on most home models, so treat it as privacy rather than high security.

The cabinet body itself is not built to resist a determined break-in.

One lock for all drawers

Most cabinets here use a single key lock that secures both drawers at once. The SISESOL, Staples, both Letaya lateral models, the AFAIF and the Korolado work this way.

You carry one key and get spare keys with most models. A lost key means a locksmith job, so keep the spare somewhere separate from the cabinet.

Interlock and anti-tip features

The Letaya lateral models, the Letaya mobile cabinet and the Korolado add an interlock so only one drawer opens at a time. That reduces the chance of the cabinet tipping when a full top drawer is pulled out.

The mobile models also add an anti-tip wheel or lockable casters. A fixed cabinet on a level floor stays put without those extras.

Do you need a rolling or stationary cabinet?

A rolling cabinet suits a workspace that changes or a home where files move between rooms. A stationary cabinet gives more drawer room per square foot and a steadier base.

Think about how often the cabinet will move before you pay for wheels.

Rolling picks for flexible workspaces

The Letaya mobile cabinet arrives fully assembled and the Korolado weighs just 34 lb. Both roll under a desk or to a table when you need to work on files.

Their wheels lock when parked. The Korolado's five wheels include one anti-tip wheel, and the Letaya model uses three lockable wheels plus one universal wheel.

For a three-drawer version, see the 3 drawer metal file cabinet with wheels picks.

Stationary picks for steady storage

The vertical and lateral cabinets here sit on a fixed base. They hold heavier loads, like the 120 lb top on the SISESOL or the wide lateral drawers on the Letaya models.

Choose one when the cabinet has a permanent home. A fixed cabinet also lets you stack binders on top without the load shifting when the unit moves.

What should you know about assembly and upkeep?

Most 2 drawer metal cabinets arrive flat and take about 30 minutes to build. Only the Letaya mobile model comes fully assembled, and even that needs its wheels fitted.

The bigger lateral units weigh more, so bring a helper before the box comes inside.

Assembly time and tools

The SISESOL, Letaya lateral models, Firstsky, AFAIF and Korolado all require assembly with instructions and basic tools. Several brands offer installation videos.

Set the cabinet on a flat floor and tighten the frame before loading drawers. A cabinet built on an uneven floor can wobble and scrape its drawers.

Cleaning and long-term care

A powder-coated steel body wipes clean with a damp cloth. Avoid harsh abrasives that dull the finish.

Keep the lock keyed and the drawers closed to protect the slides. When a cabinet reaches the end of its life, our guide on how to dispose of metal file cabinets covers recycling and pickup options.

Empty the drawers before you move the cabinet, even one on wheels.

The verdict on the best 2 drawer metal file cabinet with lock

For most homes, buy the SISESOL 2 Drawer File Cabinet with Lock. It holds letter, legal and A4 folders in a narrow locked cabinet and puts its top to work as a shelf.

The steel build and quiet drawers make it an easy cabinet to live with day to day.

Choose the Staples cabinet for letter-only filing with a long warranty. Pick a Letaya lateral model for wide legal-size loads, or the Letaya mobile cabinet when the workspace moves.

The Firstsky is the printer-stand pick, the AFAIF fits small rooms and the Korolado is the lightest to wheel around.

Measure your floor space and folder sizes first, then pick the cabinet that matches your room and your paperwork. That single step decides most of the choice between these eight.

Decide whether the cabinet stays put or rolls, and the shortlist narrows to two or three models.

Our top 3 picks at a glance

  1. 1 SISESOL 2 Drawer File Cabinet with Lock
    Best for everyday home paperwork

    SISESOL 2 Drawer File Cabinet with Lock

    9.4/10 our score

    See it on Amazon
  2. 2 Staples 2-Drawer Vertical File Cabinet
    Best for letter-only filing

    Staples 2-Drawer Vertical File Cabinet

    8.7/10 our score

    See it on Amazon
  3. 3 Letaya 2-Drawer Lateral Cabinet with Hanging Rails
    Best for wide legal-size loads

    Letaya 2-Drawer Lateral Cabinet with Hanging Rails

    8.5/10 our score

    See it on Amazon

Frequently asked questions

Do these cabinets fit both letter and legal folders?

Many do. The SISESOL, Letaya, Firstsky and Korolado cabinets all hang letter, legal and A4 folders.

The Staples model is letter-size only.

Check the folder sizes you keep before you order.

Can one key lock both drawers?

Yes on most models here. The SISESOL, Staples, Letaya, Firstsky and Korolado cabinets use one key lock that secures all drawers.

A few also add an interlock so only one drawer opens at a time.

Do I need to assemble a 2 drawer metal file cabinet?

Most arrive flat and need assembly, usually in about 30 minutes. The Letaya mobile cabinet arrives fully assembled, though you still fit the wheels.

Set aside time and have a screwdriver ready.

Can a metal file cabinet go under a desk?

Yes if the height and depth fit. The Letaya mobile cabinet is 26.18 inches tall and the Korolado is 26.5 inches, so both slide under many desks.

Measure the gap under your desk first.

How do I get rid of an old metal file cabinet?

Many scrap yards and curbside programs take metal cabinets. Call ahead to confirm what your local site accepts.

Our guide on how to dispose of metal file cabinets walks through the options.