From Nucleus Technologies:
Free EML viewer is a standalone utility, which has been designed to help users in opening EML file without using MS Outlook Express. The software instantly opens the EML file created with any version of MS Outlook Express and displays its preview. This amazing EML file viewer is integrated with Advanced settings to enlist EML messages saved anywhere on your computer. The software comprises a self-descriptive and intuitive graphical user interface, which makes it easy and fast to use. The software quickly opens the EML file of any size and thus, helps you view its content when you are in urgency to view the file but lacking Outlook Express. Using this free EML viewer, you do not need to spend even a single penny to have a glimpse at important data stored in the EML file.