Best Free MBOX Viewer Tool

Manisha Rawat
Manisha Rawat | Updated On - 16 May 2022 |

Read time 5 minutes

Kernel MBOX Viewer is designed to open MBOX files on your system without having email applications. This is a free utility with which you can open MBOX files created with email clients like Thunderbird, Gnu, AppleMail, Eudora, Postbox, Opera, PowerMail, etc. According to a leading software sharing website, Kernel MBOX Viewer is one of the most top-rated tools in the market.
Review on Cnet

Introduction to MBOX

MBOX is a file format intended for the storage of emails. It is basically used by email client applications like Apple Mail, Mozilla Thunderbird, etc.

Kernel MBOX Viewer

This is an advanced tool that opens all sorts of MBOX file formats that belong to the MBOX family, like MBOX, MBX, MBS, etc. The tool opens all the emails and attachments that an MBOX file contains.

This tool opens not only healthy MBOX files but also corrupt and damaged files. Because the tool can open even broken and inaccessible files, you need not have a repair tool separately to fix the file before processing it for preview.

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Why Kernel MBOX Viewer?

Kernel MBOX Viewer is designed and developed using advanced technology, and it has very unique features which make it different from others. What made visitors of Cnet choose this tool over any other tool in the market? Let’s have a look:

  • Opens MBOX files and displays emails
  • No restriction on MBOX file size for viewing
  • Opens healthy and corrupt files very easily
  • Feature to add multiple individual files or a whole folder
  • Supports all file formats coming from the MBOX family
  • Maintains data integrity without touching the structure, hierarchy, and format
  • Supports a vast number of MBOX Email clients
  • Preview entire data from the MBOX files including attachments
  • Feature to save the MBOX email list in HTML format
  • No cost is involved at all, it is totally free
  • Compatible with all versions and updates of email clients
  • Runs on all versions of Windows Operating Systems.
  • View facility to open emails in HTML file open in any web browser.
  • Easy function with only three steps to view contents.
  • Unlimited opening of all types of MBOX files.
  • Search for specific items among the selected MBOX file.

Some of the Positive Reviews Kernel MBOX Viewer has Received from Users:

Positive Review of MBOX Viewer
Positive Ratings of MBOX Viewer

How Does It Work?

Let’s see how easy it is to operate Kernel MBOX Viewer:

  1. Select the email client from the list and click on Next.
    Select the email client
  2. Click on the Add Files to add one or more files or select Add Folder to add a whole folder and click on Finish.
    Click add files
  3. Once the MBOX file scanning is done, you will have a preview of its content. Just click on the individual items to have the preview.
    Preview of content
  4. If you want to save the email list in HTML format, click on the ‘e’ icon shown in the image and provide a destination to the file. Click on OK.
    Save email list in HTML format
  5. Now you have an HTML file with all the details of the MBOX emails. You can access the list from the location where you have saved it.
    Save HTML file with details


Hope you find this article helpful and have a great experience using Kernel MBOX viewer. In this article, you can find how to open and view the MBOX file using Kernel MBOX Viewer. I have tried my best to bring all information to you and conclude that it was a smooth process. If you want to move further and save the file, then you can learn how to do it with free methods to convert MBOX to PST or you can go for a more simplified solution with Kernel for MBOX to PST, a similar tool with saving capabilities. Hope these details were helpful, have a great experience using Kernel MBOX Viewer.

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Kernel MBOX Viewer Tool Video Tutorial