MSG Viewer

Find and manage all your email files in one place.

  • Boolean search, Excel-like filtering, Instant search
  • Open healthy as well as corrupted .msg and .eml files
  • Instant access to email headers and all message properties
Download Free Version Get MSG Viewer

To download MSG Viewer portable, use the direct link.

Browse Large Number of .MSG files

Organize your personal and business emails.

Standalone & Installer versions

MSG Viewer can be used as a portable application or installed as a Windows application. The software doesn't require Microsoft Outlook to be installed on the PC.

Browse Large Number of .MSG files

Reading and searching email files in parallel, allow you to preview emails while folder keep loading. MSG Reader can open and search emails with large attachment without freezes.

Digital Forensic Analysis

Find out complete information from MAPI properties and analyze suspicious emails secure. Investigate and analyze the data of MSG file with the MSG Viewer Forensics tool.

Multiple Preview Modes

Show the email in its original format, whether it's html, plain text, or rich text. Lets you save any attachments that are on your emails. Select the email of your choice that has an attachment you wish to save, and select "Save Attachments" from the "File" menu button.

Advanced Search Option

Search for words or phrases within the multiple EML and MSG files. Combine words and phrases using the Boolean Search to limit, widen, or define your search. Use Excel-like filtering to select one or more distinct values from the list.

MSG to EML converter

Convert MSG to EML, MSG to HTML, EML to MSG, and EML to HTML format. The resulting EML and HTML file contain most of the message data, including attachments, but some MSG internal properties and fields cannot be stored in EML, HTML format.

Easy To Customize

The email file viewer comes with three different screen view modes: Horizontal View Mode, Vertical View Mode, Off View Mode. Each of these is designed to make it easier to find, see, and manage emails.

Single or Multiple Email(s) Selection

MSG Viewer can open, view, print, move, copy, delete, reply or forward multiple emails at once or single email. Numerous messages can be selected using the standard ctrl-left click and shift-left click commands.

Easy To Use

Email opener can be set as the default app for .msg and .eml files, to load the email files by clicking on them. MSG Viewer offers the option to open .msg files in a new window or entire message folder in a single view.

Email preview

Email, Contacts & Attachments all together in one place

  • Display HTML, Rich Text Format, or plain text messages
  • Open .eml and .msg files without Outlook
  • Reply, or Forward email files using your email client
  • Share email with others using the printing and exporting features

Find a message or attachment

Looking to sensitive email or contact someone, but not certain which file or account you put it in, you'll be able to find it easily with a single search. Advanced search options helps you to quickly find items in .eml and .msg files.

  • Review highlighted keywords so you don't need to look for the search criteria
  • Refine your search using the boolean search operators and functions
  • Highly efficient search algorithms, you spend less time waiting for results
Advanced Search Options
Boolean search, Excel-like filtering, Instant search

Excel-like filtering, Instant search

Need to find an important message in your crowded folder? Sort your search results and filter using the Quick grid view search or an Excel-like filtering interface.

Instant access to email headers and all message properties

Email is the most utilized form of communication for businesses and individuals nowadays, and it is often exposed to illegitimate uses. If you are a forensic investigator, you are probably need to be able to determine if an email has or has not been falsified.

The first steps in any email investigation are to identify all the potential sources of information. Email messages contain numerous metadata fields (MAPI properties) that can be useful for digital forensic analysis of emails.

.MSG file MAPI properties

Software Specification

Deploy and manage MSG Viewer across your company, no IT expertise required.

System Requirements

Hard Disk Space

100 MB of available disk space


1 GB RAM (32-bit); 2 GB RAM (64-bit)


1 GHz or faster processor

Operating System

Windows 10, 8.1, 8, 7, Vista, XP
Windows Server 2016/2012/2008 R2/2008/2003 R2/2003

Supported Versions

Microsoft Office 365
Microsoft Outlook 2019/2016/2013/2010/2007/2003/2002/2000/98 and 97
Outlook Express 6.0/5.5/5.0 and 4.0
Mozilla Thunderbird, Windows Mail, Lotus Notes, Novell GroupWise and other email applications

Software Download

Portable and Installer versions are available. Each of the downloads contains both 32-bit and 64-bit versions of MSG Viewer.

Setup Command-Line Options EULA

Software Delivery

All products are delivered electronically through online digital download or automated email.

Upgrade Policy

Minor updates (e.g. version 1.1 to version 1.2) are free. If the software is purchased 30 days or less before the release of a new version, the upgrade is free.

Additional requirements

Related Topics

EML Viewer

Read, share, and search your email files on hard drive, shared network folder or USB stick. Excel-like filtering, Instant search. Portable and Installer versions.

Boolean Search Syntax

This guide explains boolean search operators, functions and wildcards (AND, OR, NOT, ALL, ATLEASTONE, NEITHER, NOTALL, ?, *)