The best method to convert MBOX to Outlook PST file format is EmailsGuru MBOX to PST Converter. It allow users to convert single or multiple MBOX files to PST file format at once, which save your time and efforts. It preserves email metadata, folder hierarchy, and attachments during the conversion process. This tool has intuitive and simple interface, which makes it easy for even non-technical users to convert MBOX file OF 30+ email applications including Mozilla Thunderbird, Yahoo Mail, Apple Mail and many more. It is Windows based utility thus you can smoothly install and run on any versions of Windows. It also offers a free trial version to users.