A daily updated filename extension database!

MSG file extension

The table below provides useful information about the .msg file extension. It answers questions such as:

  • What is the .msg file?
  • What program do I need to open a .msg file?
  • How can the .msg file be opened, edited or printed?
  • How can I convert .msg files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Microsoft Outlook E-Mail Message

MSG file is a Microsoft Outlook E-Mail Message. Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite.
MSG format description not yet available
Category: Document files
Application: Microsoft Outlook
Mime-type: application/x-msg
Magic number: -
Magic string: -
Sample: -
MSG aliases:
MSG related links:
MSG related extensions:
Microsoft Outlook Navigation Bar

Microsoft Outlook Template

Microsoft Outlook Express E-Mail

Microsoft Internet News Message

Microsoft Outlook Form Storage

Microsoft Outlook Rules Wizard

cc:Mail Archive

Novell GroupWise Saved E-Mail

Microsoft Outlook Express v4 Mailbox

Microsoft Restricted Permission Message

Other types of files may also use the .msg file extension.

🚫 The .msg file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

lsg, nsg, hsg, msy, mst, msn, msf, ms, mg, mcg, sg, ksg, mxg, msv, msr

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

LimeSurvey Group Structure XML
Kwalitan Segment File
Descent Mission Data
Altera Mask Settings File
Equation Illustrator Vector Shapes
Miinoto Exchangeable Group
Mail.dat Manifest Summary File
Star Wars Battlefront 3D Model
Autodesk 3D Studio Max Script
Nessie Saved State

🔴 Can't open a .msg file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .msg file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .msg file extension, write to us!

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