One of the most trustable tool to convert Thunderbird to Outlook files is the eSoftTools Thunderbird to Outlook Converter software. It can migrate single or multiple Thunderbird MBOX email profiles to Outlook, and it can auto-detect the Thunderbird file location. Since the converted PST file from Thunderbird is in Unicode format, it can be opened in MS Outlook 2019, 2016, 2013, 2010, 2007, and 2003.
For more info:- Convert Thunderbird to Outlook files