Steps to Use MSG Viewer

Install & and launch MacXtra MSG Viewer Freeware on Mac OS.

Click on Add File(s) or Add Folder(s) to select individual MSG files and folder consisting of MSG files respectively.

Select the folder view the email file by clicking on the checkboxes.

Now, you can see the files in the folder with details like From, To, Subject, Sent, Received, Size of the email file.

Click on the file to view the MSG Email file on Mac OS.