Most PC users know that mailing programs use different formats to process and store users’ data. Among these extensions, one of the most widespread is MBOX, as Gmail users widely use it. This article will explain how to Convert MBOX To EML and the critical differences between these formats.convert mbox to eml

If, for some reason, you have decided to migrate from Gmail, losing this document can lead to total data loss. To know more about MBOX, click here.

Thus, numerous clients are looking for a way to convert this single doc into EML format to store all the emails separately or create an archive with separate files. Here is a guide on understanding How To Convert .NET Framework To .NET Core: Migration Guide

Understanding The Differences MBOX Vs. EML

The migration problem usually arises when you must migrate between the mailing apps, which are incompatible in formats. Before you learn to import MBOX into Outlook, you must understand the differences between these formats. So let’s have a look at them:convert

  1. EML serves you in case you need to store your emails individually. On the contrary, MBOX keeps your emails in a single file;
  2. Many mailing services use the MBOX extension to store files, which makes it more suitable for manual batch migration. Although the EML is not as popular as MBOX, some services still use it;mailing services
  3. You can easily view the EML file in even a browser or text editor;eml files
  4. Also, a couple of mailing programs use both file formats for storing users’ data.

Let’s focus on converting MBOX to EML and transferring files ourselves or automatically in batches. 

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Manual Batch Conversion

Manual batch conversion is available to Thunderbird clients. There are several known ways to perform it:

Save As Option

The built-in functionality of Thunderbird allows you to convert your EML files into MBOX quickly. Follow these steps to do it as soon as possible:

  1. Open the Thunderbird client on your desktop;thunderbird
  2. Select the particular mail folder or letters that require migration;mail folder
  3. Use the right-click button to activate the drop-down menu, and then choose Save;save as option
  4. Select the destination for the converted files, and you are Done.destination

The method mentioned above includes the opportunity to save docs with attachments. Using this feature, you could transfer your files between the mailing clients and store them as standalone docs. However, organizing your folders to look exactly as before would be best.


Thunderbird allows the improvement of its functionality with the help of unique add-ons. In particular, use some of them to migrate and convert MBOX to EML in bulk. In a certain way, it is similar to specialized software for migration—you are free to use it whenever needed for free. However, the first step is the installation of the necessary program.add ons

To do it, launch your Thunderbird app, then open the menu and press Tools—Add-ons. Then, right-click on the folder to convert and choose the EML format and destination. Install the ImportExportTool and restart it for further use. To learn more about EML, click here.

Automatic Batch Method

Dozens of online converters can be used for file migration. Some software allows you to convert MBOX to EML files in minutes and is ideally suited for automatic bulk migration. However, we recommend paying attention to Mbox to Outlook Transfer. This software’s functionality is straightforward to use.transfer mbox to eml

Its main advantages over manual batch conversion are that it preserves the structure of files, prevents data loss, and allows the transfer of files to the web. Indeed, many people prefer third-party apps because they increase the security of their migration and eliminate the possibility of data leaks and other threats associated with migration. 

Finally, it would help if you used professional converters to keep the hierarchy of files and folders. There is also good news for you—most software developers provide a trial period or a program demo version. However, keep in mind that all these preferences are not usually accessible. 


How do I save an MBOX file as EML?

To save an MBOX file as EML, use a specialized converter tool or email client. These tools extract individual emails from the MBOX format and save them as separate EML files, preserving their content and attachments.

How do I convert an MBOX file?

Converting an MBOX file involves using conversion software or email clients that can read MBOX and export emails into various formats like EML, preserving email content and metadata.

How do I convert MBOX to EML?

Converting MBOX to EML is achieved through software designed for email conversion. These tools extract emails from the MBOX format and convert them into individual EML files while maintaining their structure.

What is the difference between EML and MBOX?

MBOX and EML are email file formats. EML files store individual emails, attachments, and metadata in a single file, while MBOX is a mailbox format that groups multiple emails into a single file. Altogether, EML is more versatile, making it easier to organize and manage individual emails.

How do I export an email from MBOX?

Exporting an email from an MBOX file requires an email client or conversion software that can extract specific emails from the MBOX format and save them as separate files, such as EML.

How do I save a Gmail as an EML file?

To save a Gmail email as an EML file, use an email client or conversion tool. Open the email, choose the option to save or export, select EML format, and save it to your desired location. This ensures your Gmail email is stored as an individual EML file.


In the comments, what kind of migration scenario do you prefer—manual or automatic? Choose the method that meets your requirements and better corresponds to your needs. Feel free to share the difficulties you have encountered during the migration. 

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Aloukik Rathore is a Delhi-based entrepreneur, gadget lover, and absolute geek. He loves spending time learning about new innovations!