Expanding File Pockets

When files grow fast, expanding end tab pockets keep everything together. Accordion gussets—with Tyvek® reinforcement on select styles—flex to accommodate thicker sets, with popular capacities from 1-3/4" up to 7". End tabs maintain clear labeling for open‑shelf systems.

Enjoy bulk pricing and free shipping on orders over $99 (contiguous US; exclusions apply).

Product Display:
  • Expanding File Pockets -  1-3/4" Expansion - Letter Size  9-1/2 x 12-1/2  - Carton of 50

    FilingSupplies.com

    Expanding File Pockets - 1-3/4" Expansion - Letter Size 9-1/2 x 12-1/2 - Carton of 50

    Retail:
    $172.92
    Our Price:
    $163.83
    (You  Save: $9.09 )

    FilingSupplies.com Expanding End Tab File Pockets are designed to organize and protect large amounts of paperwork in open-shelf filing systems. The accordion-style, rip-stop reinforced sides expand up to 1.75", holding approximately 200 sheets while...

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  • Legal Size Expansion Pocket - Extra Wide - 10 x 15-3/4" with 3-1/2" Tyvek Expansion - 50/Box, Min Qty 2

    FilingSupplies.com

    Legal Size Expansion Pocket - Extra Wide - 10 x 15-3/4" with 3-1/2" Tyvek Expansion - 50/Box, Min Qty 2

    Retail:
    $218.09
    Our Price:
    $209.99
    (You  Save: $8.10 )

    Our full side folder with accordion expansion is designed for shelf filing systems that require side tab labeling and high capacity storage. Used for organizing active records, this folder expands to hold thick document sets while maintaining alignment...

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  • Redweld Shelf Pocket with Right Side Tab - 9 1/2"H x 14 3/4"W with 5 1/4" Fully Reinforced Tyvek Gusset - Carton of 50

    Redweld

    Redweld Shelf Pocket with Right Side Tab - 9 1/2"H x 14 3/4"W with 5 1/4" Fully Reinforced Tyvek Gusset - Carton of 50

    Retail:
    $550.00
    Our Price:
    $475.00
    (You  Save: $75.00 )

    Our legal size side tab expanding folder is designed for shelf filing systems that require side tab labeling and high capacity storage. Used for organizing active records, this folder expands with an accordion gusset while keeping files aligned for easy...

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  • Lip Style End Tab Accordion Expansion folder; Standard Paper Gussets - Letter Size Accordion Expansion folder 9-1/2 x 12-1/2 with 1-3/4" Accordion Expansion,  Box of 50, Min Qty 2/Boxes

    FilingSupplies.com

    Lip Style End Tab Accordion Expansion folder; Standard Paper Gussets - Letter Size Accordion Expansion folder 9-1/2 x 12-1/2 with 1-3/4" Accordion Expansion, Box of 50, Min Qty 2/Boxes

    Retail:
    $184.38
    Our Price:
    $174.70
    (You  Save: $9.68 )

    The Lip Style End Tab Accordion Expansion Folder provides a dependable solution for storing and organizing letter-size documents in open-shelf filing systems. Designed for flexibility, the standard paper gussets expand up to 1.75", allowing ample...

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  • Redweld Side Tab Pockets - 4" Long End Tab on Right Side, 5 1/4" Tyvek Reinforced Expansion -Legal Size: 9 1/2" H x 14 3/4" W - Carton of 50

    Redweld

    Redweld Side Tab Pockets - 4" Long End Tab on Right Side, 5 1/4" Tyvek Reinforced Expansion -Legal Size: 9 1/2" H x 14 3/4" W - Carton of 50

    Our Price:
    $356.03

    Our legal size side tab expanding shelf folder is designed for shelf filing systems that require side tab labeling and high capacity storage. Used for organizing active records, this folder expands with an accordion gusset to hold growing files while...

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  • Accordion Expansion folder - Full Side Tab folder - 3-1/2" Tyvek Expansion - Letter Size 9-1/2" x 12-1/2" - 50/Carton

    FilingSupplies.com

    Accordion Expansion folder - Full Side Tab folder - 3-1/2" Tyvek Expansion - Letter Size 9-1/2" x 12-1/2" - 50/Carton

    Retail:
    $268.75
    Our Price:
    $243.10
    (You  Save: $25.65 )

    The Accordion Expansion Folder is built for high-capacity legal document storage, providing a durable and professional solution for case files and client records. Featuring a 3-1/2" Tyvek-reinforced gusset, this letter-size full side tab folder expands...

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  • Lip Style End Tab Expansion Pockets with Standard Paper Gussets - Letter Size - 9-1/2 x 12-1/2 with 5-1/4" Accordion Expansion - 50, Min Qty 2/Box

    FilingSupplies.com

    Lip Style End Tab Expansion Pockets with Standard Paper Gussets - Letter Size - 9-1/2 x 12-1/2 with 5-1/4" Accordion Expansion - 50, Min Qty 2/Box

    Retail:
    $228.13
    Our Price:
    $216.33
    (You  Save: $11.80 )

    Lip Style End Tab Expansion Pockets with standard paper gussets offer a 5-1/4" accordion expansion and reinforced construction. Letter size, 9-1/2" H x 12-1/2" W. Box of 50, minimum 2 boxes required. Key Features: Material: 22 pt. Double Thick Front...

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  • Lip Style End Tab Pockets with Reinforced Full Side Tab with Standard Paper Gussets - Legal Size Expansion Pocket  9-1/2 x 15-1/2 with  5-1/4"  Accordion Expansion - Carton of  50, Min Qty 2

    FilingSupplies.com

    Lip Style End Tab Pockets with Reinforced Full Side Tab with Standard Paper Gussets - Legal Size Expansion Pocket 9-1/2 x 15-1/2 with 5-1/4" Accordion Expansion - Carton of 50, Min Qty 2

    Retail:
    $229.17
    Our Price:
    $217.25
    (You  Save: $11.92 )

    This Standard Five-Piece Construction Folder is engineered for maximum durability and long-term legal document storage. Built with an 11 pt. red wallet back and matching front lining, plus a sturdy 11 pt. manila interior lining, it delivers a strong,...

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  • Expansion Pockets - Colored Reinforced Full Side Tab Pockets - 6-1/2" H reinforced gusset - 9-1/2" x 12-1/2" with 3-1/2" Paper Expansion -50/Carton (2 carton min.)

    FilingSupplies.com

    Expansion Pockets - Colored Reinforced Full Side Tab Pockets - 6-1/2" H reinforced gusset - 9-1/2" x 12-1/2" with 3-1/2" Paper Expansion -50/Carton (2 carton min.)

    Retail:
    $283.87
    Our Price:
    $166.38
    (You  Save: $117.49 )

    These 22 pt. Double Thick Colored End Tab Folders are built for long-lasting performance in high-activity filing environments. Each folder features reinforced construction on both front and back panels with a 3/4" end tab, rip-stop gusset, and...

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  • Redweld Shelf folder, Full Right Side Tab - Notch, 5 1/4" Accordion Expansion, Tyvek Gusset, Letter Size - Carton of 50

    Redweld

    Redweld Shelf folder, Full Right Side Tab - Notch, 5 1/4" Accordion Expansion, Tyvek Gusset, Letter Size - Carton of 50

    Retail:
    $390.61
    Our Price:
    $339.66
    (You  Save: $50.95 )

    Our letter size side tab expanding folder is designed for shelf filing systems that require compact document storage with side tab labeling. Used to organize active records, this folder expands with an accordion gusset to hold thicker files while...

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  • Redweld Expandable File Pockets with Full Side Flexible Tab - 3 1/2" Accordion Expansion with Tyvek Gusset, Legal Size - Carton of 50

    Redweld

    Redweld Expandable File Pockets with Full Side Flexible Tab - 3 1/2" Accordion Expansion with Tyvek Gusset, Legal Size - Carton of 50

    Retail:
    $326.36
    Our Price:
    $309.48
    (You  Save: $16.88 )

    Our legal size side tab pocket folder is designed for shelf filing systems that require flexible side tab labeling and expandable storage. Used for organizing active records, this folder expands to hold thicker files while keeping documents aligned for...

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  • Redweld Shelf folder, Full Flexible Side Tab -  5 1/4" Accordion Expansion, Tyvek Gusset, Legal Size 10" H x 15" W 50/Carton

    Redweld

    Redweld Shelf folder, Full Flexible Side Tab - 5 1/4" Accordion Expansion, Tyvek Gusset, Legal Size 10" H x 15" W 50/Carton

    Retail:
    $359.99
    Our Price:
    $314.66
    (You  Save: $45.33 )

    Our legal size side tab expanding folder is designed for organizing documents in shelf filing systems that use flexible side tabs. Used to manage active records, this folder expands to hold thick document sets while keeping files aligned and accessible...

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  • Colored Accordion Expansion Pockets with Fiber Side Gusset - Legal Size - 3-1/2" Accordion Expansion -  Offered in 5 colors - 100/Box

    FilingSupplies.com

    Colored Accordion Expansion Pockets with Fiber Side Gusset - Legal Size - 3-1/2" Accordion Expansion - Offered in 5 colors - 100/Box

    Retail:
    $876.00
    Our Price:
    $792.93
    (You  Save: $83.07 )

    Accordion Expansion Folder with 5-piece construction, 3-1/2" expansion, Legal Size, Fiber Gusset, available in Red, Green, Blue, Yellow or Goldenrod. Key Features: Letter: Not Applicable Color: Red, Green, Blue, Yellow or Goldenrod Size: 9-1/2" H x...

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  • Standard Paper Gussets - Letter Size Accordion Expansion folder 9-1/2 x 11-3/4 x 1-3/4, Box of 50, Min Qty 2

    FilingSupplies.com

    Standard Paper Gussets - Letter Size Accordion Expansion folder 9-1/2 x 11-3/4 x 1-3/4, Box of 50, Min Qty 2

    Retail:
    $144.79
    Our Price:
    $137.58
    (You  Save: $7.21 )

    Our letter size expanding file folder with standard paper gussets is designed for organizing everyday documents that need moderate expansion. Used for office records, project paperwork, and reference files, this folder expands to hold growing stacks...

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  • LIP STYLE Expansion Pocket - Side Tab -  Legal Size -with 3-1/2" Accordion Expansion w/ Paper Gussets  - 50, Min Qty 2/Box

    FilingSupplies.com

    LIP STYLE Expansion Pocket - Side Tab - Legal Size -with 3-1/2" Accordion Expansion w/ Paper Gussets - 50, Min Qty 2/Box

    Retail:
    $219.79
    Our Price:
    $208.19
    (You  Save: $11.60 )

    LIP STYLE Expansion Pocket with side tab features a 3-1/2" accordion expansion and reinforced paper gussets. Legal size, 9-1/2" H x 15-1/2" W. Box of 50, minimum 2 boxes required. Key Features: Material: 22 pt. Double Thick Front and Back Tab: 3/4"...

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  • 5pc End Tab Premium Expansion Pocket Paper Gusset 
(9-1/2" x 12-1/2" x 3-1/2") - 50/Case

    FilingSupplies.com

    5pc End Tab Premium Expansion Pocket Paper Gusset (9-1/2" x 12-1/2" x 3-1/2") - 50/Case

    Retail:
    $36.91
    Our Price:
    $27.55
    (You  Save: $9.36 )

    This 5-piece End Tab Premium Expansion Pocket includes a reinforced paper gusset and a 3-1/2" expansion for reliable storage. The end tab design supports shelf filing systems and provides easy labeling for organized retrieval. Key Features: Letter:...

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  • 5pc End Tab Premium Expansion Pocket Paper Gusset 
(9-1/2" x 15-1/2" x 5-1/4") - 50/Case

    FilingSupplies.com

    5pc End Tab Premium Expansion Pocket Paper Gusset (9-1/2" x 15-1/2" x 5-1/4") - 50/Case

    Retail:
    $469.98
    Our Price:
    $350.73
    (You  Save: $119.25 )

    The 5-piece End Tab Premium Expansion Pocket offers a wide 5-1/4" expansion and reinforced construction for large legal-size storage. Its end tab design ensures efficient labeling and retrieval. Key Features: Letter: No Color: Manila Size: 9-1/2" x...

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  • 5pc End Tab Premium Expansion Pocket Paper Gusset (9-1/2" x 12-1/2" x 3-1/2") - 50/Case

    FilingSupplies.com

    5pc End Tab Premium Expansion Pocket Paper Gusset (9-1/2" x 12-1/2" x 3-1/2") - 50/Case

    Retail:
    $250.46
    Our Price:
    $186.91
    (You  Save: $63.55 )

    This 5-piece End Tab Premium Expansion Pocket offers a 3-1/2" expansion and durable paper gusset for daily filing needs. The reinforced end tab is ideal for shelf filing and frequent handling. Key Features: Letter: Yes Color: Manila Size: 9-1/2" x...

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  • 5pc End Tab Premium Expansion Pocket Paper Gusset (9-1/2" x 15-1/2" x 3-1/2") - 50/Case

    FilingSupplies.com

    5pc End Tab Premium Expansion Pocket Paper Gusset (9-1/2" x 15-1/2" x 3-1/2") - 50/Case

    Retail:
    $278.60
    Our Price:
    $207.91
    (You  Save: $70.69 )

    This 5-piece End Tab Premium Expansion Pocket is designed for large legal-size records. A 3-1/2" paper gusset offers durability and expansion for growing file collections. Key Features: Letter: No Color: Manila Size: 9-1/2" x 15-1/2" x 3-1/2" Finish:...

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  • 5pc Expansion Pocket, Top Tab with Paper Gusset 
(9-1/2" x 14-3/4" x 3-1/2") - 50/Case

    FilingSupplies.com

    5pc Expansion Pocket, Top Tab with Paper Gusset (9-1/2" x 14-3/4" x 3-1/2") - 50/Case

    Retail:
    $236.32
    Our Price:
    $176.36
    (You  Save: $59.96 )

    This 5-piece Expansion Pocket features a 3-1/2" paper gusset and top tab for efficient labeling. Designed for active filing environments, it provides dependable organization for legal-size materials. Key Features: Letter: No Color: Manila Size: 9-1/2"...

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  • 5pc Expansion Wallet with Cord and Premium Paper Gusset 
(10" x 15" x 3-1/2") - 50/Case

    FilingSupplies.com

    5pc Expansion Wallet with Cord and Premium Paper Gusset (10" x 15" x 3-1/2") - 50/Case

    Retail:
    $460.47
    Our Price:
    $343.64
    (You  Save: $116.83 )

    This 5-piece Expansion Wallet with Cord and Premium Paper Gusset is built for large legal-size documents. The 3-1/2" expansion and durable cord closure ensure files stay secure during storage or transport. Key Features: Letter: No Color: Manila Size:...

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  • 5pc Expansion Wallet with Cord and Premium Paper Gusset 
(10" x 15" x 5-1/4") - 50/Case

    FilingSupplies.com

    5pc Expansion Wallet with Cord and Premium Paper Gusset (10" x 15" x 5-1/4") - 50/Case

    Retail:
    $494.58
    Our Price:
    $369.09
    (You  Save: $125.49 )

    The 5-piece Expansion Wallet with Cord and Premium Paper Gusset provides ample capacity for large file sets. With a 5-1/4" expansion and cord closure, it keeps bulky legal-size documents safe and contained. Key Features: Letter: No Color: Manila Size:...

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