Simply use eSoftTools Thunderbird to Outlook converter software to convert Thunderbird files to PST. It will convert Thunderbird MBOX files to Outlook and auto-detect Thunderbird account positions for conversion. Windows versions 2019, 2016, 2013, 2010, 2007, and 2003, as well as MS Outlook versions, supported. It can export the Thunderbird MBOX folder to PST, EML, EMLX, MSG, Yahoo, Office 365, GMAIL, and HTML file formats. Get the free demo edition of this software, which exports the initial 25 items/folder as well.
For more info:- Thunderbird to Outlook Converter
For more info:- Thunderbird to Outlook Converter