MsgViewer is email-viewer utility for .msg e-mail messages, implemented in pure Java. MsgViewer works on Windows/Linux/Mac Platforms. Also provides a java api to read mail messges (msg files) programmatically.
Main thing is that it works. Not seamlessly and for 100% correct but it works.
Does what is says on the box. Perfect.
Simple and effective, does just what it says: reads Microsoft Office *.msg style files.