---
type: guide
title: "Legal Envelope Sizes Every Law Office Should Know"
description: "Legal envelope sizes law offices order: the #10 at 4.125 by 9.5, the #14 legal at 5 by 11.5, plus 9x12 and 9.5x14.5 catalogs for briefs, with window specs."
resource: https://www.4over4.com/guide/legal-envelope-sizes-every-law-office-should-know
tags: ["guide"]
timestamp: 2026-08-08T21:25:50.722Z
---

# Legal Envelope Sizes Every Law Office Should Know

Legal envelope sizes law offices order: the #10 at 4.125 by 9.5, the #14 legal at 5 by 11.5, plus 9x12 and 9.5x14.5 catalogs for briefs, with window specs.

See [all guide concepts](index.md).

- Page type: guide
- URL: https://www.4over4.com/guide/legal-envelope-sizes-every-law-office-should-know