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How to Convert Thunderbird Mail to Outlook PST- Best Guide

In Short:- In this guide, we mentioned the manual steps to Convert Thunderbird Mail to Outlook PST. And also we shared the limitation that you may face with this manual approach. We also shared the direct way to convert MBOX files to PST using SysInspire MBOX to PST Converter tool. You can even try the demo version of this software to test its functionality.

Mozilla Thunderbird is one of the most widely used free email clients application because of its great features. This email client saves the mailbox data in the MBOX file format.

But sometimes a situation comes when the users like to get the access of Thunderbird data in MS Outlook. But it is not an easy task to Convert Thunderbird Mail to Outlook PST. So for doing this below we shared the various methods that will help you out to do this task.

Manual Method to Export Thunderbird Emails to PST

So you can perform the MBOX to PST conversion in 3 stages given below:-

  • Convert MBOX to EML Files
  • Import EML to Windows Live Mail
  • Export Emails from Windows Live Mail to PST File

Stage 1- Convert MBOX to EML Files

To export MBOX emails into EML format just follow the steps:-

  • Start the Mozilla Thunderbird application
  • Now open the folder that you like to export
  • Here you can selectively choose the emails or press Ctrl + A to select all emails
  • Do right click on the emails > save as to save the messages in the EML format
  • In the next window choose the location where you like to save the resultant EML file
  • Tap Save to finish the process.

Now you successfully saved the MBOX emails into .eml extension.

Stage 2- Import EML to Windows Live Mail

After following the stage 1 now its time to convert the resultant EML file into Windows live Mail format. Lets know how to do this:-

  • Open the Windows Live Mail
  • You can select the already exist folder or create a folder
  • In the next window open the folder that stores the EML database
  • Now choose the EML file that you like to convert in the PST format
  • In the mail folder of the Windows Live Mail, just drag & drop the chosen EML files

Stage 3- Export Emails from Windows Live Mail to PST File

Now its time export the emails messages of Window live mail into PST format.

  • Open the Windows live mail and tap on the file option
  • Select the Export emails and then tap choose Email messages
  • Now in the next window choose the Microsoft Exchange from the list of given options and tap next
  • The program will open the Export Messages dialogue window just tap ok to move further
  • Then under the Choose Profile dialog box tap on the Outlook
  • Now tap ok to start the process of thunderbird export mailbox to PST
  • Choose the needed folder that you like to export from windows to live mail to PST and click ok

Limitation with the Manual approach

  • A lengthy and complicated process
  • Does not guarantee to keep the folder hierarchy after making MBOX to PST Conversion
  • Requirement of technical skills to follow the manual approach

Thunderbird MBOX to PST Conversion using the Automated Tool

As we discussed above the limitation of the manual method so it is better to take the help of SysInspire MBOX to PST Converter software. This utility directly converts the MBOX file to PST format in a few simple steps. It can convert all the items of the MBOX file into PST format with keeping the folder structure intact.

Convert MBOX to PST

If you are worried about the functionality of the software you can try its demo version. And after satisfied with the demo version you can jump to its paid version.


Through this blog, we shared the manual method that will help you to convert Thunderbird mail to Outlook PST. And if you want a quick and accurate result you can use SysInspire MBOX to PST Converter tool. This software is best in its functionality and also gives a free trial version for the user’s satisfaction. Hopefully, you like this blog post and you will be able to resolve your query.

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