How to convert PST to Thunderbird

“PST Extractor Pro” is the only Mac compatible tool for converting PST files to Thunderbird comfortably. It’s the tool by USL Software that delivers far more accurate and quick data migration than its counterparts. It was designed to give comfortable experience to both experienced users and beginners.

The tutorial below outline the steps for efficient data export from Outlook to Thunderbird through PST file conversion. This is necessary because the Outlook data file are not importable into Thunderbird, and neither Mozilla nor Microsoft offers any official support.

PST Extractor Pro” gives the opportunity to safely convert PST files into the files that are compatible with Thunderbird. Start by downloading the setup here and use it in a free trial mode to check out the features. Feel free to follow tutorial below even if you have only trial version now.

How to convert PST to Thunderbird using PST Extractor Pro:

PST Extractor Pro is a Mac application, so the first step is to copy your PST files into your Mac computer where ‘PST Extractor Pro’ is installed. And then launch “PST Extractor Pro’.

how to convert pst to thunderbird

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  • Step 1: Click on “Add PST” and select the PST files for conversion. You are free to select multiple PST files for conversion.How to convert pst to thunderbird mac
  • Step 2: Check the folders you want to convert.How to convert pst to thunderbird emails
  • Step 3: Choose ‘Thunderbird/Postbox Emails, *.vcf, *.ics‘ as your output format. (more on this below)
  • Step 4: Check the available settings as you want them to be. (More on this below)
  • Step 5: Click ‘Convert‘ and wait for the tool to convert PST to Thunderbird.
  • Step 6: Import the converted Thunderbird files to Thunderbird.


During step 3, you need to choose ‘Thunderbird’ as an output, because ‘PST Extractor Pro” is a tool that can convert the PST files into many other output formats, including Apple Mail, Entourage, MBOX, and EML files. This makes it the only complete email migration utiliity, so you don’t need to go anywhere else if you have the need to move your Windows Outlook data.

During step 4, you are required to set the settings as how you’d like them. “PST Extractor Pro” gives you some control over few things. Such as:

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  • Save read and unread emails to separate folders.
  • Merge all contacts to a single VCF file per folder
  • Merge all calendar entries to a single ICS file per folder
  • Split large MBOX files. Set the split-size limit here.


“PST Extractor Pro” surpasses all other PST file conversion tools in all regards. It is the most accurate, fastest, and easy to use email migration utility you’d ever get. Considering the complexity involved with email migration, this is very impressive. It also supports non-English text conversion, preserves folder hierarchy, converts contacts and calendar data, and doesn’t affect the quality of conversion during bulk migration.

Don’t wait up any longer. Download the free trial version and move your data comfortably and try it yourself to know – How to convert PST to Thunderbird Mail Database.