How to Import EML Files into Thunderbird?

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.
  • Now the software scans the EML file to identify all the data store in it.
  • Then you will see a preview of all emails on a display screen. Choose required EML folders and tap convert EML button.
  • 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.
  • 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.

Resolve Errors have been Detected in File Outlook .ost 2007/2010/2016

OST file is a type of Exchange Offline folder that enables the user to work on Outlook without the active connection with the Exchange Server. It enables the users to work with their emails, messages even in offline mode. And the changes that the user did in the offline mode can easily be synchronized with the Exchange Server when it gets connected to the internet.

Hence sometimes the OST file got corrupt and as result, it starts giving a different type of errors. These Errors have been detected in File Outlook. ost 2007/2010/2016 and other versions. But these errors can be eliminate by taking the help of Outlook inbuilt features.

Kevin Bryant [Fort Mill SC,USA]

    I was working on my Outlook and then the power went out suddenly. And when I again restart my system to open the OST file it showing errors.
  • Solution- Then I search for the best software to fix the errors of OST file and I found SysInspire OST to PST Converter software. This software Fixes all the errors from my OST File with their advanced scanning feature. And no single information is lost during this process.

How to Resolve Errors in File Outlook .ost?

So here we will fix corrupt OST file error by using the Microsoft inbuilt utility. Lets get start

Method 1-Using ScanPST.exe Feature

Microsoft has an inbuilt utility tool namely ScanPST.exe, stored in the MS Outlook installation directory.

  • Search for the ScanPST tool in the default location of MS Office Outlook
  • Run the repair tool and select the corrupt file by clicking on the browse button
  • Press on the start button to scan and fix errors in Outlook OST file
  • A window will appear where you can take the backup before repairing an error in the Outlook OST file. Otherwise, you can uncheck this option according to your comfort
  • In last it shows a confirmation message which means errors detected in the file Outlook.ost is removed

Method 2. Restore OST from Backup

You can fix the corrupt OST file in outlook 2016 or other versions by replacing the corrupt OST file with their backup file. And if you didn’t take a backup recently you will not be able to get your whole data back. This method can repair corrupt OST file but does not guarantee to maintain data integrity.

Method 3. Start MS Outlook in Safe Mode

You can fix errors detected in the file Outlook .ost if it created due to damaged add-in. by starting the MS Outlook in safe mode and stop add-in. When add-in got disabled start export data of OST into PST format to take a backup.

Follow the below Steps to open MS Outlook in safe mode

  • Firstly press window+R and enter Outlook/safe and click on OK
  • Select a Profile and Press on OK to move further
  • The user can see the only important add-in in the safe mode that allows users to find the error creating an add-in
  • And if the above process works properly without error you can remove the faulty add-in
  • In last just open MS Outlook normally and check the error is remove or note

Restriction: Although if you are going to fix the errors detected in the file outlook .ost with the manual methods you can solve only minor errors. However there is also a high chance of data loss while taking the backup of the mailbox database. Instead of this, you can use SysInspire OST to PST Converter to securely repair corrupt OST file.

This software is 100% free from any type of virus and also maintains data integrity. Users can solve errors have been Detected in File Outlook .ost in a few clicks with preserving all email properties.

How to use SysInspire OST to PST Converter?

  • Download SysInspire OST to PST Converter and install the application
  • Run the software and press the open tab
  • Browse and select the corrupt Exchange OST file and press the next tab
  • Select all the required mailbox items by using the check and un-check feature of the software
  • Click the convert tab
  • Search and select the folder and save it as a PST file to convert and save all the data in the PST file
  • Press the convert tab and the conversion process will start
  • At last, you will see a confirmation message showing the Conversion is successful

Wrap Up

If the above-mentioned manual methods do not work, this converter tool can be the best solution. It will repair the corrupt OST file and change it to PST which makes the OST file data accessible. Moreover, there is no size limitation while doing the conversion.

Related Article:- How to Import OST File into Office 365?