"We've put together a series of side-by-side screen shots of Outlook Express and Thunderbird as a visual comparison of these basic rival e-mail clients.
"Excellent open source Outlook Express alternatives are available which provide similar and additional features. Such is the case with Mozilla's Thunderbird, which is available for Windows, Mac, and Linux users. Moving away from Outlook Express is a no-brainer, as our screen shots illustrate. The additional features which are available in Thunderbird are not shown in this comparison..."
