What Is MSG File Extension? Complete Guide

Learn everything about MSG file format including its uses, structure, benefits, drawbacks, and suitable tools for it.

Know What Is MSG File Format

Developer: Microsoft
Popularity: Highly Popular File Extension
Used by: Microsoft Outlook

The MSG file format is a widely recognized file type associated with Microsoft Outlook and Exchange. MSG file stores individual email messages including headers, body content, attachments, and metadata. This post will explore an MSG file format, its key aspects, structure, uses, advantages, how to open it, and the tools for an MSG file.

What Is MSG File Extension?

The MSG file format is a Microsoft Outlook file type that stores individual email messages, including headers, body content, attachments, and metadata. It is commonly used to archive email messages, migrate data, and for legal purposes to preserve all the aspects of an email to easily store and retrieve data.

Structure of an MSG File

An MSG File contains a variety of information related to an email message. The structure of an MSG file contains:

  • Header Information: Provides sender's and recipient's email address, subject line, date & time of the messages.
  • Body content: It stores the actual content of an email including plain text, HTML formatting, rich text format (RTF), etc.
  • Attachments: Provides sender's and recipient's email address, subjeIt stores the files attached to the email such as documents, images, and other file types.
  • MAPI Properties: MAPI stands for Messaging Programming Interface properties which are metadata providing additional information.

What are the Uses of an MSG File?

MSG files serve multiple purposes, especially for businesses and organizations.

  • Email Archiving: MSG files are used to archive important emails. Since each MSG file contains all the details of a single email, they can be stored individually or in bulk.
  • Legal and Compliance: MSG files are often used as evidence in eDiscovery processes for legal compliance and investigation.
  • Data Migration: MSG files are also used to transfer email data from one email client to another.
  • Backup and Recovery: Moreover, MSG files are the best file formats to back up important emails and recover them whenever required.

Advantages of Using MSG Files

  • Each MSG file contains an entire email including attachments and metadata.
  • MSG files are easy to share via email or cloud storage.
  • This file works seamlessly with Outlook.
  • It is useful to archive and store important emails.

How to Access an MSG File?

There are several ways for accessing an MSG file:

  1. Microsoft Outlook: The easiest way for this purpose is by using Microsoft Outlook. All you have to do is, just simply navigate to the MSG file and double-click on it and it will directly open with Outlook.
  2. Viewer Tool: If you do not have Outlook installed on your computer, then you can use a verified and trusted tool to open MSG file without Outlook.
  3. Text Editors : Text file editors like Notepad can also show you MSG file content but with unreadable characters.
  4. Conversion Tools: Another best to access this file is, by using advanced conversion tools and changing them into different compatible formats like PDF, TXT, DOC, etc.

Limitations of MSG File Format

Despite their advantages, MSG files also have some limitations:

  • Dependency on Outlook: MSG files are closely tied to Microsoft Outlook. Other tools can also open this file.
  • File Size: Sometimes, MSG files become quite large if they contain multiple attachments or complex HTML content.
  • Text Editors: Text file editors like Notepad can also show you MSG file content but with unreadable characters.
  • Limited Cross-Platform Support: This file format often faces compatibility issues on non-Windows platforms.

Download the Best Software to Quickly Access all Your MSG Files.

Best Tools for Your MSG Files