7 Best Free Email Viewer for Windows

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  • Published on
    March 14th, 2014
  • Updated on
    September 8, 2022
  • Read Time
    5 minutes
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Summary:- There are hundreds of file formats that have been introduced every new day in readable and unreadable languages. The files in readable languages are fine and can be read easily, but for unreadable files, one requires a file viewer. So, in this article, we will talk about the best free email viewer for Windows that you can download and open any file instantly.

The viewers we will discuss would be related to different email client-file formats like Outlook, Thunderbird, Lotus Notes, and Outlook Express, among others. Then I hope it will be easier for you to open, read and view NSF, PST, MSG, EML, OST, MBOX, and DBX data without installing its specific application. However, we all know that all the items in these files can’t be viewed normally without a third-party tool. You can only view the contents of these files with the help of these Freeware Tools.

Why Need Free Email Viewer Tools?

Every user can’t install every email application on their PC; therefore, it is better to view that email client’s files on free viewers that are not installed on the PC. The major need for these tools is the absence of application of a particular email client.

7 Best Free Email Viewer for Windows & Mac

In the context of an Email client, many users are looking for free email viewer software to open, view and read files of different email clients like Outlook, Thunderbird, Windows Live Mail, Gmail, Office 365, Outlook Express and others. So, let’s learn about the free email reader for Windows 10.

OST File Viewer

This software is designed to repair corrupt offline files of MS Outlook and display all the mailbox items to the user in an accessible form. The user can easily view an OST file’s data without any error or hindrance.


  • It Opens the OST file in a readable form.
  • Displays Every Single item in the mailbox.
  • Multiple Scanning Modes for Repairing Corrupt OST files.
  • Creates Log information after the completion of the Scanning Process.
  • Compatible with all the versions of Windows.

PST File Viewer

PST files are the files that are store on MS Outlook. So this software helps the user to repair ANSI and Unicode PST files and preview all the contents of the files to the user in an accessible form.


  • Reads inaccessible online Outlook PST file.
  • Views Damaged PST File for free.
  • Supports ANSI and Unicode PST File.
  • It Fixes Alignment Errors of the PST file as well.
  • Runs smoothly on all the versions of Windows OS.

DBX File Viewer

DBX File Viewer is a free file viewer for windows that helps the user to fix the corruption issue of the Files of Outlook express known as DBX files. Once the files are repaired, the software previews all the items of the DBX file to the user.


  • Repairs inaccessible DBX files.
  • Displays all the contents like Emails, calendars, drafts, contact, and journals to the user.
  • Fixes errors which are related to Outlook express.
  • Opens emails in a readable form.
  • Views multiple Outlook Express Files simultaneously.

Free NSF Viewer

NSF file is the file used in IBM/HCL Lotus Notes Application. This software proves useful for Lotus Notes users as it can repair damaged NSF files and shows all the contents, emails or contacts to the respective users.


  • Option to view all the items of Lotus Notes NSF files.
  • Open all emails with attachments.
  • Self-Intuitive Graphical User Interface.
  • Needs Lotus Notes to be installed on the PC.
  • Works on all the versions of Windows.

MBOX File Viewer

There are multiple clients which support only the MBOX file format. So if you have an MBOX file, you can easily view it with the help of this software. One can repair a corrupt MBOX file if it is not opening in the email application.


  • Reads all the contents of an MBOX file.
  • Fixes errors related to an MBOX file.
  • Previews Multiple MBOX Files in a Single Shot.
  • Easy-to-Understand GUI.
  • Wide Supportability with Windows 10 and all its earlier versions.

EML File Viewer

The software is safe and efficient for Windows Live Mail users and allows users to open, view and read the EDM file without any application. The software shows users a preview of the EML file items like email messages and attachments.


  • Opens single and multiple EML files without installing any other application.
  • The software runs on all Windows versions like 11, 10, 8.1, etc.
  • Read large EML files as there is no file size limitation.
  • Simple GUI for better user experience.
  • Shows a preview of each EML file item in detail.

MSG File Viewer

This software is a free utility to view MSG files, also known as Outlook messages. The user can easily view the single and multiple MSG files as well with the help of this tool.


  • Previews Outlook message format in an accessible form.
  • Compatible with all versions of MS Outlook, like 2021, 2019, 2016, 2013, etc.
  • It displays all the data to the user in a tree-structured format.
  • Wide Compatibility with all the latest versions of Windows, including 11.
  • You can also get the details of the total message count, date, attachments, etc.


Well, you have a list of free file viewers that can be use to view the email files. You can try any of them as all are 100% safe and authentic. You don’t require technical expertise to run this tool as they possess a simple GUI. So, choose the tool according to your requirements and view the files for free. I hope you have got many choices from this blog.

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