MBOX file format is supported by various email clients Apple Mail, Thunderbird, Eudora, Sea Monkey and many others. We all know well every email client has their own file structure to store user information. Outlook also has its own file structure to store user information in PST file. Moreover MBOX file is tough to handle and have more chances of corruption as compare to Outlook PST file. It would better to opt for Outlook email client. Using manual method is too much time consuming and risky process. You can try professional tool like MBOX to PST converter tool. I also used this software and would suggest you same to convert your MBOX file. Read More :- http://www.mbox-to-pst-converter.recoverfilesdata.com/