Use PST to MBOX Converter Tool – a direct solution to move PST mail folder in Thunderbird profile account with all emails, emails formatting, meta-header information, and attachments. It keeps all the formatting and attachments in its original way without any changes. The PST to MBOX Tool can move your bulk Outlook mailboxes in a single Thunderbird account directly with attachments. It can also move your each Outlook mailbox in Thunderbird in batch having on one issue. To know how to move PST mail folder in Thunderbird, first you can try its Free Trial Version, which allows every user to move first 25 emails from each PST file to MBOX format free of cost. After that, you can purchase it for moving bulk data from Outlook PST file to Thunderbird.