Skip to main content

How to Import EML Files into Thunderbird?

Are you seeking a solution that can help you to Import EML files into Thunderbird? If your answer is Yes then this post is completely made for you. Here we have provided the best tool by SysInspire which leads to Thunderbird import EML files.

EML file used to store all the information of email messages like sender, subject, etc. And it supports storing more than one attachment of an email that is received.

But due to various needs, the users want to Import EML files into Thunderbird. That’s the main reason we decided to make an article on this topic.

Let’s know the need behind the migration from EML to Thunderbird by taking the user query:-

                         User Query        
Am Marcus and am a regular user of Thunderbird but I have backup all my emails in .eml format using Windows Live Mail. Now I need to access the .eml file on my Thunderbird email client. So can you please suggest me quick way to import email to thunderbird? I don't have extra time to spend on manual methods.

Quick Solution to Import EML Files into Thunderbird

SysInspire EML Converter is the direct way to import EML file data into MBOX format. This software not only imports EML emails but users can access all other items stored in the EML file with the help of its live preview option.

And after performing EML to MBOX migration user can directly access the MBOX file from the Thunderbird application. This EML Converter is capable to work with any email client that created the EML files.

Bonus Feature:- The software gives the additional feature where the user can convert a single email into MBOX format.

Features of SysInspire EML Converter Software

  • Allows to convert various EML folders in a single process that improves the software working.
  • Export EML file with all its attachments and emails into MBOX format.
  • Provide batch conversion functionality to make the conversion of multiple EML files.
  • No requirement to install MS Outlook on the machine for doing the conversion.
  • Keeps every properties of emails intact even after completion of the task.
  • Provide a preview of all the data stored in EML file for the users satisfaction.
  • Multiple formats for doing the conversion of EML file like MSG, PST, MBOX, HTML, NSF, MHTML and EMLX format.

Related Post:- How to Remove & Extract Attachments from EML files?

Working of the Tool to Convert EML File

You can complete the whole migration task of EML files in a few mouse clicks by following the below steps:-

  • First you need to download the tool from below button.
  • After starting the application choose EML file from select EML folder button.
EML Converter Wizard
  • Now the software scans the EML file to identify all the data store in it.
Scanning EML files
  • Then you will see a preview of all emails on a display screen. Choose required EML folders and tap convert EML button.
EML emails preview
  • A new windows gets open up here choose the Export in MBOX option and click convert. From browse button provide the location where the file get saved.
Convert EML files file
  • Wait for the process to get complete and hit on OK button.

So after applying these above steps you can easily convert EML to MBOX. Then you need to import MBOX into Thunderbird. Just follow the below steps to perform this task:-

Import MBOX into Thunderbird

First, we need to take the help of add-in on Thunderbird application to perform the import task. The add-in is named as ImportExport Tools you can download it from here.

  • Start the Thunderbird email client and click on tools > ImportExportTools > Import MBOX file.
  • Now under the next window select Import directly one or more MBOX file option and click OK.
  • Choose the MBOX file converted using the SysInspire tool.
  • And after the completion of Import users can see all the mailbox items stored in the MBOX file.


If you are thinking to use any manual technique to import EML into Thunderbird. Then you may face various issues like you can a drastic change on the MBOX file integrity even your MBOX file data can delete. To overcome these limitations SysInspire invented an automated EML Converter to import all EML data into a working MBOX file.

And also we mentioned the step to import the resultant MBOX file. I hope you enjoyed this blog post.

About SysInspire

SysInspire Software always designed product to help clients relating to Email Conversion, Data Migration, Forensic Tool and many more..

  • 2764 Pleasant Road Suite A PMB 916, Fort Mill, SC 29708 (USA)
  • support[@]sysinspire [dot] com