The best way to
convert MBOX files to Outlook PST format is to use the
FixVare MBOX to PST Converter. This powerful tool can quickly read MBOX files and convert them to PST format, and it works with all versions of Outlook. MBOX files are saved by email clients like Thunderbird, Apple Mail, and more. All the while the conversion is going on, it keeps the folder organization, email metadata, and attachments. It is perfect for moving a lot of MBOX files at once because many files can be moved at once. You don't need to know much about computers to use it. Before you transfer the file, you can even see what it will look like.