How to Convert MBOX to EML File

Updated On - January 11, 2023 by Deepika Singh |

Reading Time: 4 minutes

An EML file is an email message saved by an email program, such as Microsoft Windows Live Mail or Outlook Express. The MBOX format is supported by various email clients like – Thunderbird, Apple Mail, Entourage, Eudora, Pocomail, which use MBOX format files to store and organize mailbox data. It can also efficiently works on Windows Mail, Apple Mail, etc., and contains the content of the message, along with the subject, sender, recipient, and date of the message. It comes in its original HTML format. Whenever user wants to change the email client, first, they have to change the file formats. Therefore, we have mentioned some manual and automated solutions for converting MBOX into EML files, which will help you in this task. To successfully convert MBOX to EML files, following are the methods given below:

Top 3 Manual Methods to Convert MBOX to EML file

Method 1: Using Save as option

  1. Launch Mozilla Thunderbird email client on your system
  2. Select all the email messages you want to export
  3. After that, right-click and choose Save As from the option
  4. Navigate to the folder where you to keep your email
  5. Now press on Save button to convert MBOX to EML file

Method 2: Using Save selected messages

Use the Save Selected messages feature to export the emails to PST, EML, MSG, EMLX, and HTML file format. Follow the given steps to convert MBOX to EML in an easy way:

  1. Run Mozilla Thunderbird on your PC
  2. Select the required emails messages to convert
  3. Now, right-click on the mail and choose to Save selected messages
  4. Now, choose EML format from the drop-down menu
  5. Browse & select the folder where you want to save the file
  6. Finally, click on the Save button

Method 3: Using ImportExportTool Add-on

Mozilla offers you an add-on named ImportExportTools that enables you to easily convert and save entire MBOX files data to EML file format. You can simply download this tool from the link:, and after that, you follow these steps given below for easy conversion of your files.

  1. Run Mozilla Thunderbird on your system
  2. Visit menu bar and select ‘Tools, ‘and then click on ‘Add-on.’
  3. In the ‘Add-ons Manager,’ select ‘ImportExportTool’ under ‘Featured Add-ons’
  4. Now, go to the ‘Add to Thunderbird’ option, click on it for adding ImportExportTools add-on
  5. After that, a message appears ‘Add ImportExportTools.’ Click Add button
  6. Now, click on the ‘Restart Now’ button to restart Thunderbird
  7. Once the Thunderbird gets restarted, right-click on the folder which you want to export
  8. Click ‘ImportExportTools’ → ‘Export all messages in the folder’ → ‘EML format.’
  9. Choose a folder to save the email by clicking on the ‘Select Folder’ option
  10. Now your entire emails will be successfully converted from MBOX to EML file

Drawbacks of Manual Methods

While using the above manual methods, users face many challenges related to this method. Some of them are listed below:

  1. Manual method allows users to access only one converted message at a time.
  2. There is a high risk of data alteration as it doesn’t maintain the mailbox hierarchy.
  3. The ‘ImportExportTools’ can convert only one folder at a time. Thus, it is very difficult for the users to convert all MBOX mail folders to EML files.
  4. Manual process is time-consuming and difficult to Convert MBOX to EML.

Method 4: Professional tool to Convert MBOX to EML files

If you are not confident about the manual process then go for a professional tool like Regain MBOX to EML Converter tool. This tool allow you to convert MBOX files to many other email formats such as PST, PDF, MSG, EMLX, HTML files. It can also import MBOX files to Office 365, Gmail, Yahoo Mail,, Platform. It provides various features for successful conversion like selective file conversion, auto search feature, adds folder feature, etc. This tool convert MBOX to EML file in just few easy steps.

Free Download100% Secure Buy NowPrice: $29

Following are the steps to Convert MBOX to EML files:

  1. Download and install Regain MBOX to EML Converter Tool.
  2. Click the Add File button to select single or multiple MBOX files
  3. Click “Preview” to see all mailbox items
  4. Choose a file format from the dropdown list using choose file saving options. Here, choose EML format
  5. Now select the destination location to save the converted file on the desktop.
  6. After that, click on the Export button to convert MBOX to EML

Some important features of Regain MBOX to EML Converter Tool:

  • Software enables users to perform selective conversion of MBOX files to different file formats.
  • With the help of this tool, users can successfully convert MBOX/MBX/MBS files into the EML format.
  • It provides easy, safe, and direct conversion of all the emails and attachments of the MBOX file into Live Exchange Server.
  • The software is embedded with auto search options; therefore, it helps users easily search the MBOX file from the local system.
  • The tool allows users to migrate any size of MBOX file, as there is no file size limit when converting file data.

You will find many methods to export MBOX to EML files, but all of these methods convert only one message at a time, so that this method can be very time-consuming. Therefore, we suggest our users use a third-party tool like Regain MBOX to EML Converter tool that avoids all these problems and performs a safe and secured conversion of MBOX to EML files.


Q. Does this tool convert MBOX files to EML file format?

A. Yes, the Mbox converter tool allows users to convert Mbox files into many other formats such as PST, EML, EMLX, MSG, PDF, etc. The user just needs to select the ‘EML’ file as a saving option. It will convert Mbox files to eml format.

Q. Do you want to export Thunderbird MBOX emails to Windows Live Mail EML files? Is this MBOX Converter tool help me to perform this task?

A. Yes, this tool easily exports Thunderbird emails to Windows live mail platform without data loss or corruption. It does not require any special skill to convert Mbox to eml files.

Q. After Converting MBOX files to EML format, where can I open these Converted EML files?

A. User can use these files in any EML-supported email clients such as Windows Live Mail, Windows 10 Mail, Outlook Express, eM Client, etc.

Q. Some of my emails have an attachment; does the MBOX to EML Converter tool convert attachments as well?

A. Yes, It is. This tool is simply designed to convert emails, attachments, Calendars, Contacts, and all available folders to other formats without harming its original formatting.

Author: Deepika Singh

My self Deepika Singh working as a Technical Writer in Regain Software. Having 4+ years experience in Writing Technical blogs, Manual Guides and Articles. I am working on all Regain Software products.

One thought on “How to Convert MBOX to EML File”

  1. Avatar Florian says:

    This article presents an easy-to-follow guide on how to convert an MBOX file into an EML file. It’s great information for those who are not familiar with these types of conversions and need a reliable resource to help them out.

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