No specific info about version 2.3. Please visit the main page of WinMail DAT Viewer on Mac Informer.
This program lets you extract audio content from movie files.
View live video content from connected FireWire, USB cameras and other devices.
Winmail Viewer allows you to open and view winmail.dat files.
Allows you to view Outlook .MSG files seamlessly inside your Mac mail client
Outlook MSG Viewer is designed to open MSG files on your Mac.