Question 1

What does the Envelope Open 20 Solid icon mean?

Accepted Answer

This 20-pixel solid envelope-open icon indicates read emails with balanced visual weight suitable for standard email interface controls. The solid-filled open envelope design creates clear identification for read messages, opened emails, and viewed correspondence in modern web applications with standard component sizing.

Question 2

Where is the Envelope Open 20 Solid icon used?

Accepted Answer

In modern applications like email client message lists or inbox interfaces with read status, you'll see this open envelope representing read messages, viewed emails, and opened correspondence. It appears in email dashboards where read status tracking, or in messaging interfaces where message state visualization requires prominent read indicators.

Question 3

What does the Envelope Open 20 Solid icon tell users?

Accepted Answer

From an email organization perspective, the 20-pixel solid format communicates more than status identification - it specifically indicates read message states, opened email conditions, and the viewed nature of correspondence. The medium size provides optimal visibility for status indicators while maintaining appropriate visual hierarchy in email lists.

Question 4

Can I download the Envelope Open 20 Solid icon as SVG or PNG?

Accepted Answer

Yes. Open Get icon, then Download file: SVG for code or design tools like Figma; PNG, WebP or JPEG at 512px; or an ICO favicon with 16, 32 and 48px inside. Each one uses what you set in Customize.

Question 5

How do I install the Envelope Open 20 Solid icon with the shadcn CLI?

Accepted Answer

Sign in (it's free), then open Get icon, Install with shadcn CLI, and pick your package manager to copy the command. It adds the icon to components/icons/heroicons-envelope-open-20-solid.tsx.

Question 6

How do I use the Envelope Open 20 Solid icon in Next.js or React?

Accepted Answer

Copy it as React (from Get icon, or the Code section): a typed EnvelopeOpen20SolidIcon component you paste into your project, with no package to install. It works in Next.js and any React app.

Question 7

How do I use the Envelope Open 20 Solid icon in Vue, Svelte or Angular?

Accepted Answer

Open Get icon, then Copy as code, and pick Vue, Svelte, Angular, Solid or Preact; the Code section shows each one too. Every version is one self-contained component with the SVG inside.

Question 8

Can my AI agent install it for me?

Accepted Answer

With Pro, the shadcn.io MCP server lets Claude Code, Cursor or any MCP client find the Envelope Open 20 Solid icon, or any of 1,288 HeroIcons icons, and install it from a prompt.

Question 9

Can I use the Envelope Open 20 Solid icon in commercial projects?

Accepted Answer

Yes. MIT allows commercial use; keep the license notice when you ship the icons' source files. The full terms are in the license, linked on this page.

Question 10

Is the Envelope Open 20 Solid icon free?

Accepted Answer

Yes. Copying and downloading it is free, and the shadcn CLI install only needs a free account.

Question 11

How do I change the color of the Envelope Open 20 Solid icon?

Accepted Answer

It's drawn in currentColor, so it takes the text color wherever you use it. To bake a color in, set one in Customize before you copy.

Question 12

How do I change the size of the Envelope Open 20 Solid icon?

Accepted Answer

Set width and height on the component, or a class like size-6. It's drawn on a 24 × 24 grid, so it stays sharp at any size. Customize also sets the size it exports at, its padding and rotation.

Question 13

How do I make the Envelope Open 20 Solid icon accessible?

Accepted Answer

Next to a visible label it's decoration: add aria-hidden="true" so screen readers skip it. Standing alone, as in an icon button, give the button a name instead, like aria-label="Envelope Open 20 Solid", so screen readers say what it does.

Envelope Open 20 Solid