Outlook MSG Viewer
You can download Outlook MSG Viewer 3.0.2 for Mac from our application library for free. The application lies within Design & Photo Tools, more precisely Viewers & Editors. The latest setup file that can be downloaded is 42.3 MB in size. This Mac download was checked by our built-in antivirus and was rated as safe. This software for Mac OS X was originally developed by Element TwentySix.
From the developer:
With Outlook MSG Viewer you'll be able to open all of those MSG and Winmail.
You may want to check out more software for Mac, such as MSG Viewer for Outlook, OutlookMsg Viewer or ToolsCrunch Mac EML to MSG Converter, which might be related to Outlook MSG Viewer.