Changes to e-mail rendering in Outlook 2007

Outlook 2007 no longer uses Microsoft's Internet Explorer engine to render HTML. Previous Outlook versions used IE to read content in HTML messages and switched over to its sister Office program Word to compose messages. Outlook 2007 no longer uses IE. Here are some good articles on this topic.

• Word 2007 HTML and CSS Rendering Capabilities in Outlook 2007 (Part 1 of 2)
• Warning! Outlook 2007 Might Trash HTML Again
• Outlook Change Affects Email Communications
• On Word and Outlook 2007