Question 1

What does the Envelope Open Solid icon mean?

Accepted Answer

The envelope-open-solid icon represents comprehensive read email status and opened message states with its bold, filled open envelope design. This solid-filled read status pattern has become the standard symbol for read emails, opened messages, viewed correspondence, and message read tracking across modern email clients and messaging platforms.

Question 2

Where is the Envelope Open Solid icon used?

Accepted Answer

In modern applications like Outlook's read message indicators or comprehensive email management systems with status tracking, you'll see this open envelope indicating complete read states, opened message tracking, and viewed correspondence management. It appears in email analytics where read rate tracking, or in notification systems where message engagement requires clear read status identification.

Question 3

What does the Envelope Open Solid icon tell users?

Accepted Answer

From an email management perspective, the solid open envelope design communicates more than basic status - it specifically indicates professional read tracking, message engagement analytics, and the comprehensive nature of email status monitoring. The bold weight ensures read status is immediately recognizable in complex email management interfaces.

Question 4

Can I download the Envelope Open 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 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-solid.tsx.

Question 6

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

Accepted Answer

Copy it as React (from Get icon, or the Code section): a typed EnvelopeOpenSolidIcon 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 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 Solid icon, or any of 1,288 HeroIcons icons, and install it from a prompt.

Question 9

Can I use the Envelope Open 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 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 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 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 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 Solid", so screen readers say what it does.

Envelope Open Solid