To Export Thunderbird to outlook, then I suggest you best software that name is esoftTools Thunderbird to outlook converter software, it can autoload thunderbird file for migration, it can convert single as well as multiple Thunderbird email in PST file without any changes in it emails formatting, styles, email header, etc. It can perform very well with all versions of windows up to 10 and MS outlook 2019, 2016, 2013, 2010, 2007, & 2003.
Read more:- Export Thunderbird to outlook
Read more:- Export Thunderbird to outlook