How to Import PST file in Mozilla Thunderbird?

Have you ever found yourself in a situation where you needed to import PST file in Thunderbird? So here is the answer to your query. In this blog post, we’ll talk about “how to Import/open PST in Mozilla Thunderbird without losing data or encountering any technical difficulties.

There are several email applications available in the market and popular among them is the Mozilla Thunderbird and another one is Microsoft Outlook. Outlook offers the feature to create a back-up of data of users’ profiles in the pst format. At times, it may happen the users save their important emails in PST files and search for a simple way to open and access these emails with another email client like- Thunderbird. The Application Thunderbird can be the best approach after MS Outlook for emailing purposes.

Make use of the Best tool, eSoftTools PST to MBOX Converter Software for converting .pst to .mbox and import pst file emails in Mozilla thunderbird application


How to Import PST file in Mozilla Thunderbird?

There is one simple way to import PST files to Thunderbird without Outlook is convert PST files into MBOX file format. MBOX files are supported with over 25+ email clients including thunderbird. For quick conversion, you can try this eSoftTools PST to MBOX Converter Software. Through this utility, any non-technical or technical users can perform PST to MBOX Conversion tasks in simple steps.

How can user import PST file to Thunderbird without Outlook?

PST to MBOX Converter main screen
  • A new window will now open with two options Select File & Search PST & OST file. You can choose any one option and select Outlook file.
PST File selection
  • After selecting the PST file, now hit on start scanning button.
  • The software will now start the PST file scanning process and live preview of all folders and email items will be seen on your screen.
Scan PST File
  • Choose the required folders and press the save PST button from the toolbar.
PST file preview
  • Multiple conversion options will now appear on your screen. From there choose the Export to MBOX option.
Convert MBOX file
  • Select file saving location by click on browse button and then hit on Convert to start the PST to MBOX Conversion
PST to MBOX Conversion
  • After completing the conversion task the user will see a completion confirmation dialog, simply click on OK to stop the software.
MBOX Conversion Completed

By applying these steps convert PST file into MBOX format,. Thunderbird supports MBOX file formats, so you need import this in Thunderbird and simply open emails of MS Outlook easily.

Advanced features of using this tool

  • Works with all versions of Microsoft Outlook up to 2019.
  • No limitation on PST files to MBOX Conversion.
  • Supports converting both encrypted and non-encrypted PST files.
  • Recovers PST file data and saves it into various other formats like- MSG, MBOX, EML, PST, etc.
  • The software maintains data integrity during the migration.


You can open PST files in Thunderbird using an automated method like- eSoftTools PST to MBOX Converter Software. However, this automated method is a complete package of features. It helps the users to import emails from Outlook PST files into Thunderbird.

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