Well, older versions of Outlook actually used MSHTML/Trident as a render engine:...

		sebazzz on March 25, 2025 \| parent \| context \| favorite \| on: Microsoft's many Outlooks are confusing users – in... Well, older versions of Outlook actually used MSHTML/Trident as a render engine: the engine of Internet Explorer. They could, if they want, use WebView2 - embedding MS Edge.