Simon Willison’s Weblog

Microsoft Breaks HTML Email Rendering in Outlook 2007. They’ve dropped the IE renderer and replaced it with... Microsoft Word! No CSS background images, no floats, no CSS positioning, no forms. Wow.

Posted 10th January 2007 at 8:18 am

Recent articles

ChatGPT agent's user-agent - 4th August 2025
The ChatGPT sharing dialog demonstrates how difficult it is to design privacy preferences - 3rd August 2025
Reverse engineering some updates to Claude - 31st July 2025

css 229 htmlemail 1 microsoft 123 outlook 1 outrageous 2

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