Are you looking to import PST files in Thunderbird without Outlook? This is the most common approach for professionals who use Outlook and Thunderbird. In this blog, we have written manual and automated methods for importing PST files in Thunderbird without Outlook.
Most users use Outlook, a paid email client, but sometimes want to switch to a free email client Thunderbird so after installing Thunderbird you have to move PST files of Outlook to MBOX files of Thunderbird.
Why import PST files to Thunderbird?
- Migration: When the user wants to migrate from the Outlook email client to the Thunderbird email client, they have to import all the PST files of Outlook into the MBOX files of Thunderbird.
- Multiple Compatibility: Thunderbird is compatible with all Operating systems such as Windows, Linux, Mac OS, Unix etc. If you migrate from one operating system to another Thunderbird can run on these operating Systems easily.
- Security: Thunderbird has better security features than Outlook. Users need not worry about the data when they have to import data to Thunderbird.
- Cost-effectiveness: Thunderbird is an open-source program. You can download it and install it free of cost.
Methods to import PST to Thunderbird
- Manual Method
- Automated Method
Manual Method
In the manual method, PST files are converted to MBOX files. We will follow the steps to import PST files to Thunderbird.
- Launch Mozilla Thunderbird in your system.
- Now go to the Tools option in the menu bar.
- Click on the Import option from the list.
- Now the list of options is opened in the Mozilla Thunderbird.
- Select the option Import from Outlook and click Continue.
- After a series of steps click on the Start Import button and Importing of the PST files will continue.
- After the importing process is complete the emails will be displayed.
- Click the Finish button to finish the process.
Automated Method
In the automated method, we use third-party software, eSoftTools PST Outlook Recovery software. With a few clicks user can easily import PST to Thunderbird. The software is designed in a way that the user can navigate the whole process easily.
Key Features
- Easily load single and multiple PST files in the software at a time.
- In the preview panel, you can see the inner contents of the PST files of the software.
- Recover corrupted PST files with this software.
- Exclusively convert PST files to other file formats such as MBOX, MSG, EML, EMLX, HTML, vCard, ICS, etc.
- Provide a feature of filter emails according to date; only you have to mention the starting date and ending date.
- This software can work even without the installation of MS Outlook in your system.
- Compatible with Windows Operating System such as Windows 11, 10, 8, 7, 6, Vista, XP, and even older versions.
- The graphical interface of this software is so easy to use that even non-technical people can use it easily.
Also Read: How to Convert Outlook .PST to Mbox format?
Steps import PST to Thunderbird
- Download and launch PST recovery software in your system.
- Click on the PST button from the menu bar.
- Now choose the PST conversion mode.
- Single PST file conversion– You can load a single PST file in the software in this conversion mode.
- Bulk PST file conversion– You can load multiple PST files in the software in this conversion mode.

- Select the file and start the scanning process to load the PST file in the software.
- Get the preview of files/folders of the PST file, select the files and folders that you want to convert and press the save PST button.

- In the next step software provides multiple file-saving formats such as PST, MBOX, MSG, EML, EMLX, vCard, ICS and others. Choose the MBOX file option to convert the Outlook file into the Thunderbird option.

- Select the location to save the Output file and press the convert button to start the recovery process.
Conclusion
Manually you can import PST files to Thunderbird but they are not reliable and 100% accurate. There are chances of data loss when importing PST files into Thunderbird on the other hand eSoftTools PST Outlook recovery software is a reliable and 100% accurate solution.
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