Import PST Files to Thunderbird: Read the Time-saving Process


A PST file, which is required for Microsoft Outlook, contains your emails, contacts, calendars, tasks, and journals. It automatically syncs data with the Exchange Server and acts as a handy backup for your local email. Meet Mozilla Thunderbird is a free and easy desktop email software developed by Mozilla that runs on Windows, Mac, Linux, and Ubuntu. Thunderbird’s capabilities, such as quick search, cached search folders, and smart message sorting, provide for a superb email experience. Many people Import PST Files to Thunderbird due to its great features.

Thunderbird favors the MBOX format, which is compatible with other email clients, including Apple Mail on macOS. If you want to transition from Outlook to Thunderbird, you may do so easily by converting PST files to MBOX using the PST Converter Tool. It’s like moving your emails seamlessly while keeping everything secure, including your folders and attachments.


Reasons to Import Outlook Files into Thunderbird:

  • Thunderbird’s tab email browsing feature improves email management by allowing users to open many tabs for easier navigation.
  • The fast filter toolbar expedites email content searches, providing quick results with customizable settings for user convenience.
  • Thunderbird has anti-malware, firewall, and spam filters to provide a secure email environment.
  • User-Friendly Features: Easily create an address book and set attachment reminders.
  • Thunderbird’s user interface is adaptable and efficient, accommodating diverse user preferences.

Download PST to Thunderbird Without Using Outlook Manually.

Many individuals are concerned as to how to import PST files into Thunderbird for free; unfortunately, Thunderbird does not enable you to directly transfer Outlook data into it. As a consequence, Outlook to Thunderbird conversion is as simple as converting PST to MBOX files. If you want to utilize the manual method, first import an Outlook PST file in MBOX format, then import that MBOX file into Thunderbird. The manual method is time-consuming and complex. Migration of PST to MBOX may be accomplished manually by exporting Outlook emails to Thunderbird.

Let’s take a look at manual methods for importing PST files in Thunderbird.

  1. Export Outlook data to Thunderbird.
  2. Use Google Takeout to send Outlook PST to MBOX.
  3. Microsoft Outlook provides the GWMMO feature. You can use it.

Method 1: Download Outlook PST files to Thunderbird.

Start by running Outlook and Mozilla Thunderbird on the same machine, then effortlessly transfer Outlook emails to Thunderbird using these steps:

  1. Click the Start button and then click Default Programs. Install your default programs.
  2. From the Programs tab, select Outlook and click Set as default. Click OK to save your changes.
  3. Launch Mozilla Thunderbird and select the Display Thunderbird Menu option.
  4. Go to Tools > Import.
  5. Select Mail or Import Everything, and then click Next.
  6. Select Outlook as the file type and click Next.
  7. Click the Finish button to complete the import process.

This will send all your Outlook emails to the Thunderbird interface.

Method 2: Use Google TakeOut to convert PST files to MBOX format.

In this case, you need to set up a Gmail account in your Outlook application.

Once the account is set up, follow the steps below carefully.

  1. To enable IMAP in your Google Mail account, go to Settings >> Forwarding and POP/IMAP and click “Enable IMAP”. Radiobox installation.
  2. Open Outlook and select the File >> Add Account option.
  3. Enter your Google account username and password.
  4. Create a new folder under the updated Gmail ID and move important Outlook emails there.
  5. Sign in to your Gmail account with Chrome and activate Google Takeout.
  6. On the “Select Data to Include” tab, clear all options except Mail. Also, check the “Include all messages in email” box under the “All Mail Data Included” section. Finish and click Next.
  7. On the Customize Archive Format tab, select the export format, export type, file type, and size, and then click the Create Archive button.
  8. When Google builds your collection, you can get a ZIP file with Outlook content in MBOX format. Click Download to save the ZIP file to your local system.
  9. Extract the downloaded ZIP file to the appropriate location. Thunderbird allows users to import PST files from certain email accounts.
  10. Open the emails with the Mozilla Thunderbird Email Client.

Method 3: Configure Gmail in the Outlook account

Microsoft Outlook and Thunderbird allow more efficient management of multiple IMAP accounts. Thunderbird allows you to send PST files to an email account. If you already have a Gmail account associated with your Outlook profile, follow the steps below.

  1. Start by setting up Gmail in Outlook.
  2. Export Outlook emails to Gmail by dragging and dropping them.
  3. Create a new folder in Gmail for Outlook emails and drag it to it.
  4. Export Outlook emails to Gmail and import the same account to Thunderbird.
  5. Connect Thunderbird to Gmail to easily access your emails.

These are the crafts mentioned above. Using these measures, we can simply import PST files into Thunderbird.

Option 4: Expert Choice Automated solution to Import PST Files to Thunderbird

We recommend using the TrustVare PST to Thunderbird Converter. This application is a great way to Import PST Files to Thunderbird without Outlook or size restrictions. When you import emails, all attachments and data are saved. The converter has an easy-to-use interface, making it suitable for both technical and non-technical users. No additional installation is required as it is a self-contained system that does not require technical assistance. So, instead of wasting time, just download PST to Thunderbird Conversion and start the process.

Follow these instructions to Import PST Files to Thunderbird using PST Converter.

  1. Use and efficiently use the application for converting PST data objects to MBOX files.
  2. You can now modify individual or multiple PST files.
  3. Check PST mailbox contents before exporting.
  4. To save the MBOX files, enter the desired directory and click the Convert button.


A great way to Import PST Files to Thunderbird with ease. Its advantages, such as its ability to work on multiple platforms and its ease of use, make it an excellent choice. Thunderbird makes migration easy, whether you want to do it manually or use a third-party solution for speed. Feel free to choose the option that best suits your needs, ensuring a seamless transition to a more friendly email system.

Read More: Converting NSF to Office 365



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