Best lockable File Boxes of 2026

Jordan Akhtar Avatar
Jordan Akhtar
Last Updated: 10 Feb 2026

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Lockable file boxes are a practical storage solution for keeping important documents and files secure. These boxes are designed with a lock mechanism that ensures only authorized individuals have access to the contents. With various sizes and styles available, lockable file boxes offer a convenient way to organise and protect sensitive information, whether at home or in the office. Their sturdy construction and durable materials ensure long-lasting use, making them a reliable choice for anyone seeking to safeguard their important paperwork.

At a Glance: Our Top Picks

HMF 1413-07 Lockable Document Box Cover #TOP 1
HMF 1413-07 Lockable Document Box
ftb score rating icon 9.8
Hodufy Large Lockable Fireproof File Box Cover #TOP 2
Hodufy Large Lockable Fireproof File Box
ftb score rating icon 9.7
Cathedral Products A4 Steel File Box Cover #TOP 3
Cathedral Products A4 Steel File Box
ftb score rating icon 9.5

Top 10 lockable File Boxes

#TOP 1

HMF 1413-07 Lockable Document Box

HMF
1413-07
Grey
HMF 1413-07 Lockable Document Box Cover
HMF 1413-07 Lockable Document Box with Combination Lock, DIN A4, Light Grey

Features
Robust – Document Box Made From Seamless Drawn Sheet Steel For Safe Storage.
Secure - Lockable Box With Combination Lock To Protect Important Documents
Scratch-Resistant – High-Quality, Powder-Coated Surface In Light Grey To Protect The Cartridge From Scratches.
Practical – Thanks To The Folding Case Handle, It Is Easy To Transport And Offers Space-Saving Storage.
Dimensions (D X W X H): 37.5 X 26.5 X 8 Cm (suitable For DIN A4 Documents). Weight: 2 Kg.

Hodufy Large Lockable Fireproof File Box

files box
Black
40 x 31 x 26 cm
Hodufy Large Lockable Fireproof File Box Cover
Hodufy Large Lockable Fireproof File Box(400 x 310 x 260mm), Waterproof Fireproof File Box with Lock & Handle & Reflective Strip, Collapsible Storage Box for Document Bag/Hanging Letter/Legal Folder

The Hodufy Fireproof File Box offers exceptional protection for your important documents. With its three-layer structure made from silicone-coated fiberglass, it can withstand temperatures up to 2000℉ and is also water-resistant, ensuring your valuables remain safe from both fire and water damage. Its extra-large capacity allows you to store a variety of items, including legal documents and certificates. The sturdy handle and combination lock provide convenience and security, making it easy to transport your important files while keeping them secure.

What We Like
Fireproof and waterproof protection
Large storage capacity
Easy to carry
Secure combination lock
Space-saving design
#TOP 3

Cathedral Products A4 Steel File Box

A4PP
Pink
Cathedral Products A4 Steel File Box Cover
Cathedral Products A4 Steel File Box with Starter Pack of 5 Suspension Files - Pastel Pink

Features
STRONG METAL CONSTRUCTION: Proudly Manufactured In The UK, Contstructed Of Sturdy Steel To Handle All Your Important Papers With Ease.
SIX DIFFERENT COLOURS: Choose The One That Best Matches Your Personal Style Or Business Logo Colour! Dimensions: H 30 X W 37 X D 22.2 Cm - Perfect Size For All Your A4 Files.
SECURE CAM LOCK WITH 2 KEYS: Keep Your Private Documents Safe And Secure.
FOLD DOWN CARRY HANDLE: Makes It Easy To Transport From Room To Room.
FIVE SUSPENSION FILES WITH CRYSTAL CLEAR CLIP-ON INDEX TABS: Easily Label And Find What You Need.
#TOP 4

Cathedral Products A4 Steel File Box with Suspension Files

A4BK
Black
Cathedral Products A4 Steel File Box with Suspension Files Cover
Cathedral Products A4 Steel File Box with Starter Pack of 5 Suspension Files - Black

The Cathedral Products File Box is a practical solution for organising your important A4 documents. Available in six different colours, you can choose one that suits your personal style or business branding. Its strong metal construction ensures durability, making it ideal for securely storing your papers. With five suspension files included and crystal clear clip-on index tabs, you can easily label and locate your documents when needed. Plus, the fold-down carry handle allows for convenient transport from room to room.

What We Like
Durable metal construction
Multiple colour options
Easy document organisation
Convenient carry handle
#TOP 5

Cathedral Products A4+ Steel File Box with Suspension Files

HOBL
Blue
Cathedral Products A4+ Steel File Box with Suspension Files Cover
Cathedral Products A4+ (Foolscap) Steel File Box with Starter Pack of 5 Suspension Files - Blue

The Cathedral A4+ File Box is a practical solution for organising your important documents. Available in six vibrant colours, you can choose one that suits your style or office decor. Its strong metal construction ensures durability, allowing you to store papers securely. With five suspension files included, you can easily label and access your documents whenever needed. The fold-down carry handle adds convenience, making it simple to transport your files from room to room.

What We Like
Durable metal construction
Includes five suspension files
Available in six colours
Easy to transport
#TOP 6

Cathedral Products A4+ Steel File Box

HOBK
Black
22 x 43.4 x 30.2
Cathedral Products A4+ Steel File Box Cover
Cathedral Products A4+ (Foolscap) Steel File Box with Starter Pack of 5 Suspension Files - Black

Features
STRONG METAL CONSTRUCTION: Proudly Manufactured In The UK, Constructed Of Sturdy Steel To Handle All Your Important Papers With Ease, With A Maximum Capacity Of 2.5kg
SIX DIFFERENT COLOURS: Choose The One That Best Matches Your Personal Style Or Business Logo Colour! Dimensions: H 30 X W 42.7 X D 22.2 Cm - Perfect Size For A4, Plus A Little Extra!
SECURE CAM LOCK WITH 2 KEYS: Keep Your Private Documents Safe And Secure. Please Note That The Box Should Not Be Lifted When Unlocked, Or While The Key Is In The Lock
FOLD DOWN CARRY HANDLE: Makes It Easy To Transport From Room To Room
FIVE SUSPENSION FILES WITH CRYSTAL CLEAR CLIP-ON INDEX TABS: Easily Label And Find What You Need
#TOP 7

Tamfile Fireproof and Waterproof Document Box

06.07
Black
Mediano
Tamfile Fireproof and Waterproof Document Box Cover
Tamfile Fireproof Document Box, Waterproof File Organiser Box with Lock, Collapsible File Storage Box with Zipper, Portable Home Office File Box with Handles for Hanging Letter/Legal Folder, Black

The Tamfile Document Box offers excellent fireproof and waterproof protection for your important documents. With a robust design, it can withstand temperatures up to 2000°F, ensuring your papers remain safe during emergencies. Its large capacity accommodates various items, from legal folders to photo albums, making organisation effortless. Additionally, the high-quality combination lock provides peace of mind, securing your valuables from unauthorised access. Its portable, foldable design with adjustable handles makes it convenient for home, office, or travel use.

What We Like
Fireproof and waterproof protection
Large capacity for versatile storage
Secure combination lock
Portable and foldable design
#TOP 8

ENGPOW Fireproof Document Box,File Storage Box

DEFB-DB-198
Black
35 x 25.5 x 39.5 cm
ENGPOW Fireproof Document Box,File Storage Box Cover
ENGPOW Fireproof Document Box,File Storage Box with Lock 39.5x34x25.5cm Collapsible File Organizer Filing Storage Box with Lid Portable Home Office Safe Box for Hanging Letter/Legal Folder (Only Box)

Features
[Dimensions]The Size Is 39x34x25.5cm,suitable For Both Letter And Legal Size Files Fitting Your Filing System.It Also Can Keep Documents,certificates,books,USBs,albums,passports,cards And Other Valuables.Environment Will Affect Emotion And Neat Environment May Result In A Good Mood.With This Organizer Box,organization Will Be Very Easy And Your Room,office Will Be In Order.
[Fireproof Document Box]Fireproof Document Box Is Made Of Fireproof Material What Is Anti-Static Non-Itchy Liquid Silicon Coated The Outside Bag,withstands Temperature Up To 2000°F,which Had Passed The Tested By SGS TEST(UL94 VTM-0 Certified).It Is Also Waterproof,avoids Water Drop Damage The Surface.So Fireproof Document Box Would Provide Better Protection For Important Items And Keep The Peace Of Your Mind
[Reliable After Sales Service]We Value Evry Customer.If You Have Any Quality Problem,please Feel Free To Contact Us,we Will Respond You Within 24 Hour.Moreover, Your Suggestion Has A Great Impact On The Upgrade Of Our Products.
[Protective Storage Box]Comparing With Ordinary Storage Box,our Fireproof Storage Box Is Lockable,anti-Static Surface,which Can Prevent Dust From Sticking On And Keep The Inner Items Safe.It's Easy To Lift With Strong Grab Handle.Embedded With Hard PVC Boards Makes It's Possible To Stack Multiple Boxes Together.Two Zippers Make It Easier To Open And Close The Box,side Pockets And Label Slots Keep Small Items And Labels.
[Foldable Filing Boxes]The Portable File Box Is Foldable And Easy To Organize.Not Only Can It Put At Home,office,car Trunk And Locker, But Also Can Work With Other Fireproof Products To Protect Your Valuables And Give Your Peace Of Mind.Not Only It Can Used By Yourself,but Also Can Be A Gift To Your Family,customers Or Employees,which Is A Good Choice.
#TOP 9

mysmartbuy.com Metal Lockable File Box

3370034RED
mysmartbuy.com Metal Lockable File Box Cover
mysmartbuy.com Metal Lockable File Box with 5 Suspension Files & Fold Down Handle - Strong Durable A4 Filing Cabinet, Store & Organise Paperwork & Important Documents - Red, H30 x W37 x D22cm

Features
Durable Construction: Made In The UK With A Powder-Coated Finish, This File Box Is Built To Last. The Sturdy Metal Construction Ensures Durability, Protecting Your Documents From Damage And Wear Over Time.
Secure Locking Mechanism: The Metal Lockable File Box Features A Sturdy Lock Mechanism Ensuring The Safety Of Your Important Documents. With Two Keys Included, You Have A Backup In Case One Is Misplaced, Providing Peace Of Mind Regarding The Security Of Your Files.
Stackable Design: The Fold Down Handle Allows For Easy Carrying And Also Facilitates Stacking Multiple File Boxes, Optimizing Space And Storage Efficiency. Whether You Need To Store Documents Vertically Or Horizontally, These Stackable File Boxes Offer Flexibility To Suit Your Space Requirements.
Specifications: Measures H30 X W37 X D22cm. Available In 5 Colours - Black, Blue, Grey, Pink And Red.
Organizational Convenience: With Five Suspension Files Included, Complete With Clear, Clip-On Index Tabs And Inserts, Organizing Your Household Papers Becomes A Breeze. The File Box Helps You Maintain Order Among Your Documents, Making It Easy To Locate What You Need When You Need It.
#TOP 10

Cathedral Products A4+ Steel File Box in Pastel Pink

FPHOPP
Pastel Pink
A4+ (Foolscap)
Cathedral Products A4+ Steel File Box in Pastel Pink Cover
Cathedral Products A4+ (Foolscap) Steel File Box with Starter Pack of 5 Suspension Files - Pastel Pink

The Cathedral Products Steel File Box is a stylish and practical solution for organising your important documents. Available in six different colours, you can choose one that suits your personal style or complements your business logo. Its strong metal construction ensures durability, so you can trust it to keep your papers secure. The included five suspension files come with clear clip-on index tabs, making it easy for you to label and locate your documents quickly. Plus, the fold-down carry handle provides convenience when moving it from room to room.

What We Like
Stylish colour options
Durable metal construction
Easy document labelling
Portable with carry handle
Buying Guide Image
Editor's Notes

During our lockable file boxes research, we found 222 lockable file boxes products and shortlisted 10 quality products. We collected and analyzed 69,428 customer reviews through our big data system to write the lockable file boxes list. We found that most customers choose lockable file boxes with an average price of £27.96.

The lockable file boxes are available for purchase. We have researched hundreds of brands and picked the top brands of lockable file boxes, including HMF, Hodufy, Cathedral Products, Tamfile, ENGPOW.

Written by
Jordan Akhtar Avatar

Jordan Akthar owns one stationery store in Bradford, and another in Derby. He started with a corner bookshop, and now the rest is history. He is often found in his stores taking count of inventories of books and stationery. Jordan also likes to write, and this drove his passion for writing articles on stationery maintenance. He owns a blog, where in his free time, he would write DIY tips on how you can recycle and refine your stationeries.