.MSG File Extension

MSG files exist as 2 different types. Please find information about each of them below.

Type 1: Outlook Message Item File

An MSG file contains an Outlook email item with properties like date, sender, recipient, message body. You can create MSG files in Outlook by saving an email. Microsoft Outlook allows managing email, ...

General Information

Title MSG File Extension
Extension .msg
Full Form Outlook Mail Message
File Type Email File
Developer Microsoft
MIME Type application/vnd.ms-outlook

File Function

Primary Function Store email messages
Additional Functions Save attachments, Preserve formatting
Features Metadata storage, Rich text format

File Characteristics

Quality High integrity
Supports Layers No
Supports Transparency No
Editable Yes, with compatible software

Use Cases

Email Archiving Yes
Forensic Analysis Yes
Data Migration Yes

Security and Practices

Security Risks Virus attachment
Best Practices Scan for malware, Do not open unsolicited email

Historical/Version Information

Initial Release 1990s
Relevant Version Outlook 2019, Office 365

Associated Types

Similar Extensions .pst, .ost, .eml, .mbox

Software Compatibility

Software Usage Policy OS Compatibility
Microsoft Outlook Paid Windows, Mac
Mozilla Thunderbird Free Windows, Mac, Linux
Mail Viewer Free Windows

Type 2: Fallout In-Game Message File

.MSG files can be opened with text-editing programs like Notepad or WordPad. The Fallout Script Editor allows opening and editing message files too. Editing in Word should be done carefully. Word can ...

General Information

Title MSG File Extension
Extension .msg
Full Form Fallout In-Game Message File
File Type Game Data File
Developer Interplay Entertainment
MIME Type application/octet-stream

File Function

Primary Function Store game messages
Additional Functions Contain dialogue, Descriptions
Features Text-based, Game-specific

File Characteristics

Quality Game-dependent
Supports Layers N/A
Supports Transparency N/A
Editable Yes, With tools

Use Cases

Game Modding Yes
Translation Projects Yes
Fan Creations Yes

Security and Practices

Security Risks Low
Best Practices Backup, Modding community guidelines

Historical/Version Information

Initial Release 1997
Latest Version Varies by game

Associated Types

Similar Extensions .dat, .sav, .frm

Software Compatibility

Software Usage Policy OS Compatibility
Fallout 1 Commercial DOS, Windows
Fallout 2 Commercial Windows, Mac
Fallout Modding Tools Free, Community-developed Varies