I recommend the eSoftTools "MBOX to PST Converter" tool if you want to convert MBOX files to Outlook PST. It can also convert MBOX files to other formats including NSF, MSG, EML, EMLX, HTML, and PST. Thunderbird, Apple Mail, SeaMonkey, Eudora, and other MBOX mailboxes are all supported by this software. With just a few clicks, you can convert several MBOX files.
Read more:- convert MBOX files to Outlook PST files
I can only suggest you MBOX File to PST Converter Tool on Windows operating system. It software allows immediate migrate of your email files which are in PST, EMLX, EML or MSG format. So I think the use of MBOX to PST Converter Online is good to convert Mozilla Thunderbird MBOX files to Outlook PST format. Try to this application with free demo version that move first 10 items of each folder.