If you are looking for the best MBOX converter tool, I would recommend the
MacSonik MBOX Converter for Mac. The software allows users to convert MBOX files to PST, PDF, EML, EMLX, MSG, HTML, CSV, and TXT on Mac OS. Using this utility, you can directly export MBOX Files to Yahoo, Gmail, Outlook, Office 365, Hotmail, and other email clients. Additionally, this provides a free demo version that allows you to convert 50 Items per folder without any cost.
The
Mailvita MBOX Converter for Mac is the best choice if you need a strong and flexible MBOX converter. This is one of the best ways to convert MBOX files into PST file formats. The fact that, it can handle so many different formats is what makes it stand out. You can quickly export MBOX files into PST with attachments. It's quite helpful for people who are moving from one email service to another or need to save their emails in several ways. The UI is easy to use, and you don't need to be very tech-savvy to use it well. It provide free demo version to all users to convert a few mbox files to pst free.