Make sure that the design's integrity doesn't rely solely on CSS to work.Since only the first frame of a GIF animation loads, make sure it communicates the main message of the graphic.If you are creating an email message, here are a few tips to make sure it displays correctly: If you open an email message and its contents are displaying incorrectly, Outlook will give you the option to open the message in a web browser. You can contact Microsoft directly to make a case for supporting a specific feature in Office 365, by submitting your idea to Microsoft's User Voice site at. The feature isn't relevant to reading mail.Most features that aren't supported fall under two categories: Why aren't all HTML and CSS standards supported? You do not need to have Microsoft Word installed for Outlook to use the Word HTML engine. This does create some display issues, but now Outlook only has to support a single HTML engine (email editor), which makes developing easier and allows for more consistent behavior across your email experience. Starting with Outlook 2007, Outlook has been only using the Word engine to display and create HTML-formatted emails. This document explains why some emails with HTML formatting do not always display as expected in desktop Outlook clients such as Outlook for Windows/Mac.
