---
title: "Outlook Email HTML Lint - Classic vs New"
short_description: "New Outlook with WebView2. Lint one email file against"
emoji: ⚙️
colorFrom: gray
colorTo: yellow
sdk: static
pinned: false
license: mit
---

# Outlook Email HTML Lint - Classic vs New

Classic Outlook renders with the Word engine, the new Outlook with WebView2. Lint one email file against both at once, line by line, before you send.

Runs entirely in your browser. Nothing is uploaded, nothing is stored.

## Full version

Every variant of this tool, ready to download:

**[getreadystack.com](https://getreadystack.com/tools/outlook-email-html-lint)**

---

Free - MIT