How to Convert MBOX to EML File

Updated On - November 10, 2023 by Deepika Singh |

Reading Time: 6 minutes

Summary: An EML file contains a single message, whereas the MBOX file contains entire mailbox items in a single file. If lost, it may eventually lead to losing all mailbox contents. So, here, we will discuss different methods to convert MBOX to EML files. Lastly, we suggest Regain MBOX Converter tool to securely migrate MBOX files to EML.

An MBOX file is a standard format for sorting and organizing email messages. It is a plain text format containing multiple emails in a single file. MBOX files are widely used by email clients such as Mozilla Thunderbird, Apple Mail, Entourage, Eudora, and servers to store email messages.

When you want to migrate an email client to another one, you need their mailbox data in different email formats like EML, MSG, etc. This article will cover all the effective methods to convert MBOX to EML files.

Why does the user need to convert MBOX to an EML file?

Migration Between Email Clients: When users switch from one email client to another, they might need to convert their existing MBOX files to the EML format supported by the new client. It ensures their old email messages are accessible and readable to the new client without losing data.

Selective Export: Converting MBOX to EML allows users to export specific email messages or folders as individual EML files. It is useful when users want to extract emails for archiving, sharing, or reference purposes.

Backup and Archiving: EML files are smaller and more manageable than large MBOX files, making them suitable for creating backup copies of important emails. Users can organize their emails in separate EML files based on categories or dates, making it easier to retrieve specific messages when needed.

Email Recovery: If an MBOX file becomes corrupted or inaccessible due to technical issues, converting the MBOX file to EML files can help recover individual emails that are still intact. It can be beneficial when recovering essential messages from a damaged mailbox.

More straightforward Sharing: EML files are individual email messages with their attachments, making them easy to share with others via email or other file-sharing methods. It is beneficial when users want to forward or share specific emails without sending an entire MBOX file.

Three effective solutions to convert MBOX to EML files

Solution 1: Use the “Save As” option

Save as option allows you to save multiple messages at a single time in the local storage of your system. It will take minimal time and export your MBOX data to EML instantly.

  • Step 1: Launch Mozilla Thunderbird.
  • Step 2: Select all the necessary emails that you want to export. Also, you can press CTRL + A to select all the messages.
  • Step 3: Left-click on that and choose the Save As option. Use Save As method to save MBOX to EML files
  • Step 4: Select the location folder where you want to save the file in your local storage, then tap Save. step 2
  • Step 5: Go to the destination file, and your data will be saved in the EML file.

Solution 2: Use the “Save Selected Messages” option

In the save selected option, you can choose the EML format and convert MBOX files to EML files in a few seconds.

  • Step 1: Launch Mozilla Thunderbird
  • Step 2: Select the messages.
  • Step 3: Right-click on the mail and select Save Selected Messages.
  • Step 4: Select the EML format in the given list. another method to save mbox files to eml file
  • Step 5: Now select the destination folder where you want to save the EML file in Select the destination directory. Step 2

Solution 3: Use the ImportExport add-on.

Mozilla has an add-on extension, “ImportExport,” where you can export your data in some format and sync your data to another new email client.

  • Step 1: Start Mozilla Thunderbird.
  • Step 2: Go to Tools, then tap on Add-ons. ImportExport add-on to convert mbox to eml files
  • Step 3: Go to the Add-ons Manager option and select ImportExportTool in the Feature Add-ons section. Step 3
  • Step 4: Tap on Add to Thunderbird to add the ImportExportTools NG add-on. Step 4
  • Step 5: Tap on Add ImportExportTools NG. Step 5
  • Step 6: Tap on Restart. Step 6
  • Step 7: Relaunch your app, select the files, and right-click on them.
  • Step 8: Click on ImportExportTools NG, then hit Export all messages in the folder and select EML format. Step 8
  • Step 9: Select the destination folder in your local storage.
  • Step 10: Click on Open to open your exported file in your choice of application. Step 10

Drawbacks of Manual methods

  • It is a time-consuming process.
  • You may lose some of your data while exporting to an EML file.
  • It does not maintain a mailbox hierarchy.
  • The ImportExportTool can convert only one folder to an EML format.
  • The manual method allows users to access only one converted message simultaneously.

Solution 4: Professional tool to Convert MBOX to EML files

Try the most effective automated tool to export MBOX to EML files with the Regain MBOX Converter tool. This tool converts MBOX files to many other email formats, such as PST, PDF, MSG, EMLX, and HTML. It can also import MBOX files to Office 365, Gmail, Yahoo Mail,, and Platform. It provides various features for successful conversion like selective file conversion, auto search feature, adds folder feature, etc. This tool converts MBOX to EML files in just a few easy steps.

Free Download100% Secure Buy NowPrice: $29

Steps to convert MBOX to EML files with this third-party tool.

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

Some essential features of Regain MBOX Converter Tool:

  • The software enables users to convert MBOX files to different file formats selectively.
  • 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 to Gmail and Live Exchange Server.
  • The software is embedded with auto search options; therefore, it helps users quickly 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.

There are numerous methods on the Internet nowadays, but many of them need to be fixed. In this article, you can find all the legitimate solutions to convert MBOX to EML files seamlessly. Therefore, if you need a different method than these methods, try the automated third-party tool and do your conversion flawlessly.


Q. Does this tool convert MBOX files to EML file format?
A. The Mbox converter tool allows users to convert Mbox files into other formats, such as PST, EML, EMLX, MSG, PDF, etc. The user must 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? Does this MBOX Converter tool help me to perform this task?
A. This tool easily exports Thunderbird emails to the Windows live mail platform without data loss or corruption. It does not require any particular skill to convert Mbox to eml files.

Q. After Converting MBOX files to EML format, where can I open these Converted EML files?
A. You can access these files in any EML-supported email client, 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 also convert attachments?
A. This tool is designed to convert emails, attachments, Calendars, Contacts, and all available folders to other formats without losing and 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.

Leave a Reply

Your email address will not be published. Required fields are marked *

Copyright © 2015 - 2024 by Regain Software, All Rights Reserved
Disclaimer Sitemap: HTML XML DMCA Protection Status