Best Letter Storage File Boxes in 2026

20 letter/legal size basic duty cardboard boxes for storage or filing; white color for easy labeling

Made of B-flute corrugated cardboard; basic duty strength; rated 32 ECT; 450 pound stacking strength; double-walled bottom and ends

2 side handles for easy carrying; boxes can be assembled without packaging tape; collapsible and reusable

Double wall, single wall construction

Lift-off lid ships attached to prevent lid loss, then tears off for use

Basic-duty, standard set-up construction for moderate stacking or use with shelving

Top compartment keeps supplies visible and accessible

Rubberized handle for an easier grip of heavy loads

Accepts a padlock (not included)

Made In USA Quality – IRIS USA’s Letter/Legal File Tote Box is a perfect filing storage organizer that can fit all your legal and letter size items safely with the anti-break, durable polypropylene material MADE IN USA.

Letter & Legal Size – File box is perfectly designed for any letter or legal size files, documents, and paper. Utilize the filing box year round to protect your valuables. The internal dimensions are 11"(H) x 11.75"W.

Water Resistant and Durable – The Letter & Legal Size Plastic Storage Bin Tote Organizing File Box has a max capacity of 20lbs enabling plenty of storage space for valuables. The durable Plastic File Storage Container Bin Tote is water resistant and thus can protect important files, letters, and personal items from spills, making it ideal for storing and moving personal items. It can also be cleaned with warm water and mild soap.

Office Supplies

File box stores letter-size or legal-size hanging files

Interlocking lid snaps tight for secure stacking of multiple units

Made of Clear plastic so you can easily identify contents. Stackable to save space

[VERSATILE FILE BOX FOR LETTER/LEGAL SIZE FILES] Organize all your paperwork, letters, folders and hanging files in style with the portable file cabinet storage boxes from Prandom (ca. 17x14x11.2")

[COLLAPSIBLE FILING BOX] The storage container collapses down simply for easier storage when not in use.

[MULTI-USE] Multi-use and highly functional document filing box acts as a small filing cabinet for document organization, tax paperwork, storing children’s art work & other office/home storage needs. Labels on both sides for versatile file storage.

Holds letter sized paper, folders and books upright

Link several bins together for maximum stability

Front and rear handles for easy gripping

Fits scrapbook paper, letter-size paper and magazines

Link several bins together for maximum stability

Front and rear handles for easy gripping

LINEN FILE ORGANIZER WITH LID: The linen file organizer is the perfect storage box to store all important documents, folders and paperwork while still providing a soft accent to the room/office with its decorative design

LETTER or LEGAL FILES: The storage organizer may fit both letter and legal-size files/paperwork fitting your unique filing system.

COLLAPSIBLE FILING BOX: The storage container collapses down simply for easier storage when not in use

Fireproof and Water-resistant: The new upgrade fireproof file box is made of 3 layered non-itchy silicone coated fiberglass which stands up the temperature up to 2200℉.It has been passed by SGS TEST(UL94 VTM-0 Certified).Fireproof file box is not only fireproof but also high water resistant in case it gets wet for any reason.Nothing is completely foolproof, but added protection is always a good idea. (Hook＆Loop all around the zip and lock for better protection against fire/water)

Large Capacity: 16" x 12.5" x 10.5".Fireproof file cabinet not only can fits both letter and legal size files fitting your filing system, but also can protect your important documents,books,Cards,CDs, DVDs,USBs,albums,passports, social security cards,birth certificates and other valuables because we have designed mesh pockets and tab inserts on the lining of the lid and on the sides of the box.

High quality, Innovative design: Fireproof document box uses different boards than other box,High quality PP boards won't warp and it can hold a minimum of 150 lbs. The Non-dusty material can prevent dust from sticking to the outside of our fireproof box, always keep it neat and tidy. The reflective strip design on the side of the box allows you to immediately find your fireproof box even at night, protecting irreplaceable documents and valuables from fire.

Upgraded File Storage Box: Material and fabric upgrade and reinforcement, More durable, This file storage organizer is made of high quality MDF board, better support and bearing capacity. The lid can fit easily on the box after hanging folders.

Clear Sliding Bars: Every file storage box has two Clear sliding bars, Easy to slide file folders with no friction, and protecting the edge of the box, Make your file box beautiful and durable.

Space-Saving: Manage files, work papers around your desk, make your office more nicer, organized, and safer. The storage container collapses down simply for easier storage when not in use.

Perfect Size: Magazine Holder comes in 12 Packs, Color : White, Size: 9.85" L x 12.25"H x 3.54" W, self-adhesive labels included

Assemble in Seconds: Paper holders flatten for compact storage, assemble in seconds. Seamless spine, convenient front and back finger grips give the file holder organizer a rustic yet professional look.

Sturdy Cardboard: The magazine holders are made of 130g corrugated cardboard. The sturdy magazine box won’t easily tear or tip. The file holders are fully recyclable,reusable and practical.

Fireproof and water-resistant: Fireproof lock box is made of double layered non-itchy silicone coated fiberglass which stands up the temperature up to 2000℉.It has been passed by SGS TEST(UL94 VTM-0 Certified).Fireproof file box is not only fireproof but also high water resistant in case it gets wet for any reason.Nothing is completely foolproof, but added protection is always a good idea.

Anti-static and reflective strip design:Are you still worried about the storage box is often covered with dust? The anti-static material can prevent dust from sticking to the outside of our fireproof box, always keep it neat and tidy.The reflective strip design on the side of the box allows you to immediately find your fireproof box even at night, protecting irreplaceable documents and valuables from fire.

Portable and secure: High quality combination lock design for added storage security, includes instruction manual for combination lock. Sturdy adjustable handle makes it easy to carry everything you need(You can adjust the carrying handle to the length you want), two zippers make it easier to open and close the box, Side pockets and label slots let you store small items and labels.The file lock box collapses down simply for easier storage when not in use.

Upgrade File Storage Set: The office documents organizer includes a linen organizations, 5 hanging organizer file folder for the letter size, 5 plastic tabs, and replaceable white inserts.

Common Organizer Box Size: Interior dimensions: 15.6" x 12.4" x 9.4; Exterior dimensions: 16.1" x 13" x 9.8". The storage organizer fit both letter and legal size files, and other items outside of files.

Collapsible Saving Space: Stack the document organizer for hanging files on shelves for saving space. When not in use take advantage of the folding feature, put the collapsible file box away.

UPGRADED ORGANIZER BOX - This file organizer is made of sturdy MDF board instead of cardboard. Solid MDF boards provide strength and durability for each box. PLUS, ultra thicken box cover is designed for stacking stability and extra bottom board keeps the box more stable

HANGING FILE BOXES - The storage boxes with lids fits both letter and legal size files. We add sliding bars which match the hanging file box, and the bars are perfect for files that you need to assist in easy sliding back and forth

ATTRACTIVE POINT IN DESIGN - Our file storage boxes is designed with label holders on sides, so you can see them regardless of which way you position the file folder box. Moreover, it can be easily folded flat and put away when not in use to save space

[Multi-purpose ] -Set of 2 file boxes are ideal for holding hanging folders,letter size files,magazines, newspapers, mail, books,notebooks and many other items.

[Collapsible Filing System] - Simply fold when not in use, The integrated handle provides easy carrying so you can take them wherever they need to go.

[Mesh Design] - Sturdy and durable construction with stylish outlook. It's much better than the plastic ones and will last a lot longer

THIS FILE BOX WILL ROCK YOUR WORLD Tired of using easy to tear cardboard boxes? This innovative file organizer box decorative Linen Fabric, inside wall board and remove bottom made of durable wood. Say bye bye to paper filing boxes! Glamorous gray color and high cycle life, you will satisfied with our file boxes.

PORTABLE SIZE AS DAILY FILING Storage HELPER 16.5"(L)*13.4"(W)*10.4"(H)- Large File Box. Messy floders needs files box to organize, it is great size for hanging Letter/Legal file floders , one box meets two size requirements ; You also can use it for your home, storage your kids pictures, books and toys.

LITTLE THINGS THAT MAKE BIG DIFFERENCES Designed clear lable windows on the side of collapsible file box, mark the contents and you can easy to find your need file/paperwork inside the cabinet or on the shelf.

ARCHIVAL QUALITY: Made in the USA Lineco is a leading and trusting brand for archival art and framing supplies.

GET ORGANIZED: This letter protect case provide easy access to your important documents, photos, and similarly valued items, while providing protection from dust and light.

SAFE AND CONVENIENT: With our Flip-top file storage box, your documents and magazines will stay organized and easily found. Which is prevent the loss wrinkle or damage of your important documents and help to keep your desktop drawers neat and tidy.

Pack of 6 plastic A4 size baskets

Made of durable PP plastic,lightweight and sturdy

Great for holding A4 size paper,folders,letter,stationery and other desk items

Thick & Durable Material: These document boxes are made of high quality and PP material, anti-dust, moisture-proof, good flexibility, strong weight bearing, not easily deformed, durable for long lasting and easy to clean. Documen Storage boxes external size: 12.52 x 9.45 x 0.94 inches. Internal dimensions: 12.2 x 8.9 x 0.71 inches.

4 Pack Portable Project Case: With our portable plastic file storage box, your documents and magazines will stay organized and easily found. Which is prevent the loss wrinkle or damage of your important documents and help to keep your desktop drawers neat and tidy.

Wide Application: These plastic stackable storage box perfect for magazines, photos, stamps, envelopes, invoices, bills, papers and children's and-cut paper-cuts and drawings. Portable project case suitable for home, office and school use, also very convenient to use during trips.

Create the perfect portable file system for on the go organization; plastic file box has a hinged lid with double latches; file rails hold up to 22 folders; includes 3 hanging files, tabs and inserts

Built-in handle and double latch closure keeps documents secure; portable file box travels neatly between rooms or to and from the classroom or workplace

Heavy duty black plastic file box includes 3 black reinforced hanging folders with tabs and inserts—holds up to 22 letter size 8 1/2 x 11 hanging folders

Fireproof and water-resistant safe: The exterior material of Fireproof File Box is made of upgraded anti-static silicone coated fiberglass, which can withstand temperature up to 2000℉. Fireproof Document Box is not only fireproof but also highly water-resistant, so you don't have to worry about your important documents getting wet by rain.(Does not include folders)

Size: 16.1 x 12.9 x 11 inches. The file cabinet not only can fit both letter and legal-size files but also can store your important documents, books, CDs, USB, albums, passports, cards, birth certificates, and other valuables because of the mesh bags we designed in the liner of the lids.(Does not include folders)

Multiple security protection: Compared with ordinary box, our fireproof storage box is anti-static on the outside, which can prevent dust from sticking to them. Design with a strong grab handle for easy lifting. High quality PVC boards increase the rigidity of the box so you can easily sit on it or stack multiple boxes together.(Does not include folders)

Sold as 4/Carton.

Heavy-duty durable boxes featuring double-sided, double-bottom construction for stacking, storage

White with gray corrugated cardboard is sturdy and lightweight

Set of 6 Packs, 3 Colors: Blue, Lime and Orange

Premium Quality Cardboard, Each Magazine Holder Is 140 gram.

Perfect for Storing Letter Size File, Smaller Magazines, Publication, Catalogs and Paper

This stylish 2 drawer chest will create a tidy working space in a snap.

Practical and well designed at 5.7 x 13 x 9.8 in size, the Birger is the space saving solution for your home and office.

The drawers are fully removable and will store letter sized documents such as loose papers, flyers and brochures, magazines as well as smaller items that may get lost in larger boxes

Perfect Organizer for File&Documents - Are you still upset about the messy documents? Are you still impatient for not being able to find the documents you need? Don't worry, our newly upgraded file storage box can solve all these problems for you. Compared with the traditional file storage box, this file box is not only exquisite in appearance and fine workmanship. Perfect size, it is very suitable for the storage of documents, legal letters, books, etc, in the office.

Universal Organizer Box Size - The storage organizer fit both letter and legal size files, and other items except files. Extremely durable files boxes perfect for hanging files folders, suitable for normal cube shelves or closet shelves. These file storage boxes are also the best gifts and helpers for children to store school supplies during the back-to-school season. Internal dimensions - 14.3 inch x12.4 inch x10.2 inch; Outside size - 14.9 inch x12.7 inch x10.8 inch.

Collapsible Multifunctional Filing Storage Organizer - The outer box with linen fabric can be dustproof, inside and the bottom support is made of thickened cardboard, which is environmentally friendly and not easily deformed. The cover with Velcro not only allows us to cover the file box easily, but provides more storage space for the file. It also acts as a small filing cabinet for tax documents, legal files and other documents storage. When we are not using it, we can fold it up to save space.

TINY WHEN COLLAPSED | The entire box folds up into its own lid! It's easy to keep extra boxes on the shelf and expand them out as your archival needs grow.

STURDY WHEN EXPANDED | Box has iron side rails for strength and durability. Box body is sturdy chipboard wrapped in fabric.

TASTEFUL FABRIC CONSTRUCTION | Outside, a woven polyester fabric gives the box a classy pattern, no chipboard in sight. Inside, a non-woven fabric lining keeps out dust.

Versatile File Box For Letter And Legal Size Files: Organize all your paperwork, letters, folders and hanging files in style with the portable file cabinet storage boxes from ZICOTO (ca. 15.4x12.4x10”)

Portable File Organizer: Extremly durable with reinforced bottom make the file folder box super stable; the linen fabric exterior is very easy to clean and a practical lid keeps any dust away from your documents

Space-Saving: Simply stack the file boxes for hanging files in your storeroom or shelves for optimal space usage; When not in use take advantage of the folding feature and put the collapsible file box away – flat, neat & tidy

LEGAL & LETTER-SIZED STORAGE: Freely organize your important files, letters, and memos in a dedicated space with two metal railings for easy divider access

OPTIONAL MOBILITY: This filing cabinet comes fully assembled with four non-scratch sliders, but includes four locking, 360-degree wheels-twist to attach and enjoy!

FAUX-LEATHER STRAP: A tasteful leather strap adds both style and extra security to keep your files out of the reach of children, animals, and other prying eyes