Home : File Types : MSG File (2 File Associations)

.MSG File Extension

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File Type 1Outlook Mail Message

3.4 (67 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryText Files


File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

What is an MSG file?

A MSG file is a message created or saved within Microsoft Outlook. The file contains multiple e-mail fields, including the date, sender, recipient, subject, and message body. It is also compatible with other programs that use Microsoft's Messaging Applications Programming Interface (MAPI).

Programs that open MSG files
Microsoft Windows LogoWindows
Microsoft Outlook 2016
Encryptomatic MsgViewer Pro
BitDaddys Email Open View Pro
EZ Freeware Free Opener
Mozilla SeaMonkey
Mac OS X LogoMac
Kupon.BG Klammer
45RPM MailRaider
Mozilla SeaMonkey
Linux LogoLinux
Mozilla SeaMonkey
iOS LogoiOS
Kupon.BG Klammer 3
Android LogoAndroid
File Viewer for Android
Updated 4/8/2016

File Type 2Fallout Message File

DeveloperBethesda Softworks
3.2 (11 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryGame Files


This file is saved in a plain text format. You can open and view the contents of this file using a text editor.


File used by Fallout 1 and 2, which are two installments of the post-apocalyptic open world video game series; contains character and item dialogues and in-game messages that are referenced when interacting with characters and items during gameplay.

More Information

MSG files are located in the text\english\dialog and text\english\game directories of your game.

Each indexed line of text has three sets of {}. The first set indicates the line index, which is represented by a number. The second set indicates the name of an optional associated .ACM sound file. The third set contains the text that is displayed, whether it be for an observation window or dialogue box.

NOTE: Interplay and Black Isle Studios originally developed Fallout 1 and 2 before Bethesda Softworks acquired the rights.

Programs that open MSG files
Microsoft Windows LogoWindows
Bethesda Softworks Fallout 1
Bethesda Softworks Fallout 2
Jargo Fallout Script Editor
Microsoft Notepad
Microsoft WordPad
Updated 10/23/2014