MsgViewer is described as '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'. There are eight alternatives to MsgViewer for Windows and Mac. The best alternative is Windows MBox Viewer, which is both free and Open Source. Other great apps like MsgViewer are Mime Reader (Paid), MSG VIewer for Outlook (Free), CoolUtils Mail Viewer (Free) and EML Reader (Free).
MBOX stands for Mailbox which is used to store email messages created by Thunderbird, Apple Mail and other email clients. But, sometimes there is a possibility it gets corrupted due to which user is unable to open MBOX file.
SysTools MSG Viewer Pro software to search and print MSG files to PDF format without data loss. Capable to search Emails, Calendars, Attachments using Different Criteria. Easily batch print Outlook Message Files with Attachments.