How to Convert MBOX to EML File

Are you searching for a solution to convert MBOX to EML format? If yes, then you are on the right page. Here we discuss the 3 most effective solutions for converting MBOX files to EML using Thunderbird, Apple Mail, and a dedicated MBOX to EML Converter for bulk conversion.

Several users need to extract a single email message from mailbox for migration, legal documentation, and long-term archiving. Moreover, .eml files store and manage emails along with attachments, metadata, and other information. This makes it easier for users to open, share, print, and import data into various email clients. That’s why users need to export MBOX files to EML format.

In this guide, we will walk you through three reliable methods, including manual and automated, to perform conversion efficiently while maintaining the accuracy of email data. Now, let’s begin with further discussions.

Why Convert MBOX Files to EML?

There are many possible reasons behind MBOX to EML conversion. Here in this section, we will discuss a few common reasons before jumping to methods.

Compatibility: EML format is widely supported by various desktop email clients. Making it smooth for users to access and import individual emails across different platforms without depending on original MBOX.
Easy Sharing: When a user convert MBOX to EML format, sharing of .eml files is easy, as they are small in size. Users can attach and share desired messages without sending entire mailbox, and it makes communication efficient.
Email Management: Managing emails as individual or separate EML files helps to organize and archive crucial messages rather than handling a bulk MBOX file. Once the .mbox file to .eml conversion is finished, you can share, archive, and read data seamlessly.
Flexibility: Even a large EML file can be opened easily. This file format allows users to restore, back up, and access individual emails whenever required. It offers full control over email data and simplifies migration process.

Pro Tip: If you are facing a challenge when opening large MBOX file, using a professional solution like SysTools MBOX Splitter Tool allows you to break .mbox file into multiple smaller parts with ease and makes MBOX to EML conversion effortless.

MBOX vs EML: Comparison Between Two File Formats

Features	MBOX File	EML File
Full Form & Extension	Mailbox (.mbox)	Electronic Mail (.eml)
Structure	Individual file containing multiple emails	Manage and store each email separately
Usage	Exporting and storing an entire mailbox at once.	Sharing, printing, archiving, or migrating individual messages.
File Size	Extremely large and difficult to manage.	Single and small files are easier to open and transfer.
Supported Client	Thunderbird, Apple Mail, etc.	Easily open via email clients and web browsers.
Searchability	Complex to search without opening email client	Each message can be searchable independently.

2 Manual Methods to Convert MBOX Files to EML Quickly

In this section, we will cover two free and manual ways for converting .mbox files to .eml format. These techniques are useful for users dealing with small number of mailbox files and need to access them in other applications. Moreover, the two methods are mentioned below:

Using Thunderbird (Built-In Feature)
Using Apple Mail for macOS Users

Below, we will explore each method in detail along with steps and limitations you should be aware of before choosing a solution.

#1 Convert MBOX to EML – Using Mozilla Thunderbird

Thunderbird is the most common solution to extract emails from MBOX. It provides a built-in feature as it works with .mbox files and supports .eml export. This method is best suited for small mailboxes. Now, follow the stepwise guide:

Download and install Thunderbird client on your machine.
Then, set up an email account with Mozilla Thunderbird.
Tap on “Navigation Menu” >> click “Add-ons & Themes”.
Click “ImportExportToolsNG” and import MBOX files.
Select imported .mbox file from local folders.
Pick desired emails, right-click, and choose “Save As” option to convert .mbox files to .eml.

Limitations:

Requires an installation of Thunderbird before initiating process.
No bulk conversion and requires manual effort to add MBOX files.
Large or heavy mailboxes can slow down Thunderbird or freeze during import.
No advanced feature to sort emails by filter, sender, date, etc before conversion.

Remember Note: Mozilla Thunderbird does not allow users to import MBOX files into any other folder of your preference. You can only import them into Local Folders with the ImportExportTools NF option.

#2 Convert & Export MBOX to EML / EMLX File on macOS – Using Apple Mail

This method is suitable for Mac users who need to export single emails from Apple Mail without any add-ons. This solution provides a built-in “Save As” option that works directly on emails that are already loaded into Apple Mail. This allow to convert MBOX to EMLX (.eml edition of Mac) format. Follow the steps given below:

Open & run Apple Mail on macOS.
Click on “File” option to import mailbox.
Choose desired .mbox file and tap “Continue”
Now, Import MBOX to Mac Mail process is completed.
Select the MBOX email messages you need to export.
Click on “File” menu and choose “Save As” option.
Select format as “Raw Message Source” and hit the “Save” icon.

Limitations:

Suitable only for users who are working on macOS.
Can be time-consuming due to no batch export feature.
This can cause issues with formatting and attachments.

#3 Best & Instant Way to Convert MBOX Files to EML – Expert Solution

Converting .mbox file to .eml format becomes easier while using a professional solution. Here, SysTools MBOX Converter Tool is an offline & desktop- based software solution that allows users to convert MBOX to EML in just a few steps. This advanced utility preserves all essential elements such as attachments, metadata, formatting, email headers, etc.

Download Now Purchase Now

The best feature of this software is batch conversion, which converts multiple mailbox files into EML in a single operation. A trusted solution designed for both professionals and beginners. This offline utility is available for both Windows and Mac operating systems. So, download the demo version of pro software to experience its high-end features and functionalities.

How to Convert MBOX to EML Format in Simple Steps

Firstly, download and run aforementioned tool on PC.
Click the “Add File” option to browse .mbox files.
Select: Default Profile Configured or File / Folder from File System option.
Now, choose between Export or Export Selected to convert MBOX files to EML.
Pick EML (.eml) format as the output export file.
Tab on “Advanced Settings” and choose “Naming Convention” or “Data Filter” option.
Now, again click on Browse button to set the desired location.
Finally, export mailbox data into EML by clicking on Export button.

Why Choose SysTools Software?

Bulk Export Option: Convert & export various MBOX files into EML format at once. This saves time and reduces manual effort for adding each file individually.
Maintain Folder Structure: Advanced utility preserves original mailbox folder hierarchy during entire conversion process by ensuring that all emails remain organized.
No Dependency on Email Client: Quickly convert MBOX to EML without installing or configuring any email client application.
Preview Data Option: Once you have added the .mbox file, the tool performs a quick scan of data and creates an instant preview of added mailbox files.
Offline & Secure: This software is 100% secure, and it performs conversion task on local system of users without uploading any data to external servers.
24*7 Technical Support: It offers round-the-clock assistance from support team to all customers to resolve technical issues whenever required.
Free Demo Version: Try the free edition of trusted solution, which allows you to convert the first 25 emails from MBOX to EML format in free of cost before purchasing.

Concluding Words!

In this write-up, we have shared three best methods to convert MBOX to EML file format effortlessly. Both manual solutions are suitable only for converting small mailbox files to .eml format. Also, these methods come with some limitations that can increase the risk of data loss. So, we recommend you choose a standalone and professional tool to export and convert MBOX files to EML format with ease. This is a cost-effective solution that becomes an ideal choice for converting .mbox to .eml format securely. Choose the method that best fits your requirements.