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

Talking AI and jobs with Natasha Zouves for News Nation - 30th May 2025
Large Language Models can run tools in your terminal with LLM 0.26 - 27th May 2025
Highlights from the Claude 4 system prompt - 25th May 2025

microsoft 120 htmlemail 1 css 204 outlook 1 outrageous 2

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe