10 Best 17 Inch Laptop Briefcases Of 2026
17 Inch Laptop Briefcases — Reviews, Recommendations & Updated Buying Guide September 2026


bagasin 13-17 inch Laptop Computer
おすすめの理由

Samsonite Leather Expandable
おすすめの理由

Alpine Swiss Rolling 17" Laptop
おすすめの理由

EMPSIGN Laptop Bag Briefcase
おすすめの理由

ZYB Expandable Waterproof Laptop
おすすめの理由

Stypos Tactical Messenger Bag
おすすめの理由

Askuko Laptop Case 17 Inch
おすすめの理由
クイックピック
10 Best 17 Inch Laptop Briefcases Of 2026
クイックピック

bagasin 13-17 inch Laptop Computer PC Shoulder Bag Carrying Case, Water-Repellent Fabric Briefcase

bagasin Laptop Bag Laptop Briefcase Fits up to 15 15.6 16 17 17.3 Inch Laptop Expandable Waterproof Shoulder Bag Shoulder Bag Carry Bag Notebook Bag PC Computer Bag

Samsonite Leather Expandable Briefcase 17 inch, Black, 17", Leather Expandable Briefcase

Laptop Case 17 Inch, Durable Briefcase Cover Shockproof Protective Sleeve, Handbags Portable Laptop Bag for 17 inch HP Dell Asus Lenovo Notebook Computer, Laptop Case with Front Pocket, Black

Alpine Swiss Rolling 17" Laptop Briefcase on Wheels Attache Lawyers Case Legal Size Black

EMPSIGN Laptop Bag Briefcase, 17.3 Inch Laptop Case Computer bag

ZYB Expandable Waterproof Laptop Bag 17 17.3 Inch,Laptop Case 17 Inch-Black

Stypos Tactical Messenger Bag, Tactical Briefcase for Man Military Laptop Bag Messenger Shoulder Bag

Askuko Laptop Case 17 Inch, Durable Briefcase Cover Shockproof Protective Sleeve, Handbags Portable Laptop Bag for 17 inch HP Dell Asus Lenovo Notebook Computer, Laptop Case with Front Pocket, Black | Laptop Sleeve, Handbags Portable Laptop Bag for 17 inch HP Dell Asus Lenovo Notebook Computer Case with Front Pocket, Black

17.3 Inch Laptop Bag,BAGSMART Expandable Briefcase for Men Women Anti Theft Computer Bag
購入ガイド: 17 Inch Laptop Briefcases
📋 目次
1What internal dimensions should I look for to fit a 17 inch laptop?
A 17 inch laptop typically measures around 15.6–17.3 inches diagonally, so look for a briefcase with a padded compartment at least 16.5 inches wide and 11–12 inches deep. Check the height as well, as some 17 inch models are thicker than standard laptops.
2Is a padded compartment enough, or should I look for a dedicated laptop sleeve?
A dedicated laptop sleeve inside the briefcase offers better protection, especially for travel. Look for at least 5mm of padding in the sleeve and a separate compartment to avoid pressure from other items like notebooks or pens.
3How much extra space do I need for accessories and charging cables?
Aim for a briefcase with at least 10–15% more volume than the laptop alone. Look for multiple padded pockets, a front zippered compartment for cables, and a side pocket for a water bottle or power adapter.
4What weight range is typical for a 17 inch laptop briefcase?
Most 17 inch laptop briefcases weigh between 2.5 and 4 pounds when empty. Heavier bags may offer more durability or extra features, while lighter ones are better for daily commuting or frequent travel.
5Should I prioritize a carry handle or a shoulder strap?
A combination of a top handle, a padded shoulder strap, and a trolley sleeve is ideal for versatility. A shoulder strap is better for long walks, while a trolley sleeve is useful when pairing the briefcase with a suitcase for business trips.
選び方について
編集者は製品を試し、それについて書くことを心から愛するメンバーです。各製品の実際の使いやすさと強みを比較し、最も重要な点を独自の「おすすめの理由」にまとめています。購入前に、大切なポイントがひと目でわかります。