If anyone worried about how to open a PST file in Thunderbird?" eSoftTools PST to MBOX Converter Software is the name of the software. For you to open a PST to MBOX Converter Software. Both ANSI and UNICODE PST files can be used for conversion. The app works with both current and older versions of Microsoft Outlook. All users get free demo pack to convert 25 email items per folder.
Read more:- Open a PST file in Thunderbird Without Outlook