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How to Convert EML to MBOX in Bulk Manually?

Shubham Dixit   
Published: Oct 3, 2023 • Convert • 4 Min Read

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In this informative article, you will get a complete guide on how to convert EML to MBOX format by using manual methods.

Here we will use, the Thunderbird email client to convert EML files. Also, users can convert all EML files exported from any email client. By using these free techniques users can convert multiple EML files into MBOX format which is accessible from all supported email clients like Apple Mail, Thunderbird, Eudora Mail, and other applications.

“Hello there, I have a number of EML files on my computer that I need to convert into MBOX format for some professional job that I’m doing. However, I’m not sure how to go about it. Could someone perhaps provide the best option for converting EML files to MBOX format?”

How to Convert EML to MBOX Format Manually?

In this section, we will demonstrate how to convert an EML file into an MBOX format using the Thunderbird email client, which supports both file formats. So, first and foremost, you must install “ImportExportTools NG” on your Thunderbird account. If you have already completed this step, you can skip it.

First, if you have orphan EML files, we will use drag and drop procedures to import those EML files into the Thunderbird application. Following that, we’ll convert the EML files to MBOX format for storage.

Step 1: Drag and Drop EML File

  1. First, create a folder in Thunderbird.
  2. Now, Select the EML file that you want to convert.
  3. And then drag the EML and drop it into the created folder.

Step 2: EML Files to MBOX Conversion

  1. Right-click on the folder that you want to convert.
  2. Now choose “ImportExportTools NG” >> “Export Folder” options.

    click on the ImportExportTools NG to convert EML to MBOX

  3. After that, browse the saving location and click on the “Save” icon.

    browse the saving location

Lastly, you will get the MBOX file into the selected location. now your EML files will convert into MBOX format, which is supported by all email clients.

Problems Users Face During the Conversion

  • Users can not drag multiple EML files at one time.
  • Hierarchy is not maintained during the conversion.
  • Time taking and lengthy procedure.
  • The Thunderbird email client must be installed on your machine.

If you don’t want to face any kind of problems during the conversion. So, you should use a third-party tool.

Direct Solution for EML File to MBOX Conversion in Batch

Here we will use 3Steps Software to convert EML to MBOX format in bulk. The software converts EML files with preserved email header metadata and components including Bcc, Cc, To, Date, Subject, image, Font, Inline and other elements. Also, the tool maintains a hierarchy of folders.

Also, users can save the output data at the desired location. So, users can download the software and see how does the tool works.

Basic Knowledge of EML Files and MBOX

EML Files: EML files are email communications that have been saved in a plain text format (such as a text file). It comprises the message’s content as well as information on the sender and recipient, as well as the date and time of the message.

MBOX Files: An MBOX file is a type of email that contains a collection of email files. MBOX files are accessible by mail clients such as Apple Mail, Mozilla Thunderbird, and other similar applications.

Users may desire to convert EML to MBOX files for a variety of reasons or situations. Here are some examples. For example, if a user changes companies and email clients, or if he or she has old EML files that he or she wishes to convert to MBOX format. However, changing from one email format to another is not as simple as it appears. This is especially true if one is an email file and the other is an inbox format that may store numerous email messages in a single location.

Time to Say Goodbye

Above, we described how to convert EML to MBOX format by using Free techniques. However, batch EML to MBOX conversions can be accomplished using manual methods. However, they are not able of converting EML to MBOX and transferring attachments as well. So, we recommend that users experiment with an efficient solution that allows them to do conversions while also including attachments. Learn about the powerful capabilities of the software that allows you to convert EML files to MBOX in mass at once. So, it converts several files at the same time in a relatively short period of time.

By Shubham Dixit

Shubham is a distinguished subject matter expert and accomplished author with an unparalleled understanding of technology. With a deep-rooted passion for all things tech-related, Shubham brings a wealth of knowledge and expertise to their written works.