File type: Microsoft Exchange Mail Message
The MSG file is used all the times by the Microsoft Exchange Mail program when a new message is created and sent through the software. Most popularly Outlook is used for such messages.
It is compatible with other programs which use Microsoft's Messaging Applications Programming Interface.
The file is created when the user creates a message for sending or when a message comes in the Inbox and the same is stored in the message folder of the mail program in the computer. The message contains all the important information that is received or is sent to any mailbox.
The file is an important file and the same should be kept safe for opening the message. The file can be opened by several software applications and shall display the message instantly which is required by the user on opening mail.
The file has the complete authority to display the message but the same needs to be used with a Messaging application.