Learn How to Convert MBOX to HTML – Complete Guide

In this article, we discuss the solution to convert MBOX to HTML. As we know MBOX is a popular format to store email and it is generated by many email clients like Thunderbird, Apple Mail, etc.

Whereas, HTML extends to Hyper Text Markup language, which is a markup language used to create the structure of a web page.

There are several reasons to convert MBOX file into HTML that we discuss also in this article.

Reasons to Save MBOX File as HTML

  •  HTML documents can be viewed across various platforms without the need of a particular email client.
  •  HTML offers manageable and stored data which provides the better backups
  • HTML files are easily searchable and HTML has tags where every tag has its own meaning making it easy to search for particular information.
  • The HTML file is portable and easy to share.
  • HTML allows us easy formatting because it contains images, anchor tags, hyperlinks, etc.

Methods for Convert MBOX to HTML

Here, we discuss the various methods which include both manual methods and the use of automated tools.

Manual Method to Save MBOX File as HTML

With this method, the user can convert the MBOX into HTML without any use of any automated tools but the user depends upon a desktop client like Thunderbird.

For converting MBOX to HTML user have to Thunderbird in their system. If not, then download and install Thunderbird in their system.

Follow the steps 

  • Configure your account in Thunderbird if not.
  • Go to the menu top bar
  • Select the ImportExportTools NG.
  • Select the MBOX file.
  • Choose import one or more import file options.
  • Select the desired file and click on open.
  • Restart your thunderbird.
  • Right-click on the file that you have chosen,
  • Select the ImportExportTools NG >> Select all messages in the folder.
  • Select the HTML option.
  • Browse the path to give the location of the given file.
  • Click on the save button.

Limitations of this manual approach

  • For performing this method you need to install the desktop client.
  • Users need to add an add-on to Thunderbird like “ImportExportTools NG”.
  • It is a bit technical so the user has good knowledge of desktop clients.

Convert MBOX to HTML with the Automated Tool method

This method is one of the best and recommended methods by professionals in the industry. The use of tools like SysTools MBOX Converter is one of the widely used tools by professionals. It is user-friendly and easy to use with extra features.

Firstly, use need to download and install the MBOX converter in your system.

To convert MBOX to HTML follow these steps

  • Open the Tool in your system.
  • To the menu bar, and select Add Files;
  • Select the MBOX, and click next.
  • Now, browse the location of the MBOX file and select the file.
  • Now the file is viewed on the software interface.
  • Right-click on the file  >> select the Export.
  • Now, a popup will open choose the HTML in that.
  • Select the location where you want to save the resultant file.
  • Hit the Export.

With these few steps, you can convert your MBOX to HTML.

Why to use Tool

Here, are some Advantages to using MBOX Converter

  • Add folder/Options to convert the multiple MBOX files in bulk.
  • Perform conversion of MBX , MBS, and MBOX file simply.
  • Export option to save output PST, MSG, EML, PDF, HTML.
  • Allow to convert SBD subdirectories, Containing MBOX file.
  • The tool creates a separate file for every MBOX by default.
  • Auto detected the configured thunderbird field.
  • Data-range filter to convert MBOX emails of selected time periods.
  • Support to launch MBOX converter with admin privilege.


As we discuss above we have both methods to convert MBOX to HTML. We discuss both the manual method and the automated method. However, we know that the manual method is time-consuming and has more steps than the automated method. If we have a large number of files then the manual method is not feasible. So, most of the professionals preferred third-party to save MBOX file as HTML.

Frequently Asked Questions

How do I convert MBOX content to HTML?

First of all, extract the MBOX file from the email client using the script and tool. After that convert the MBOX content into HTML using Thunderbird and expert tool.

How do I Open the MBOX file?

MBOX files are plain text files that can be opened using Thunderbird or Apple Main or by any MBOX-supported email client or you may use any tool to open and view 

Also Read this :- View EML file without Outlook

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