With the help of the eSoftTools MBOX Converter, you can effortlessly convert single and multiple mbox to pst files or others files formats such as pst, eml, emlx, msg, Html, NSF, Office 365, Gmail, and Yahoo form. It works with all email clients that support mbox file formats, some examples are OperaMail, PocoMail, SeaMonkey, Eudora, AppleMail, and others. Users can examine the software's working by exporting the first 25 items from mbox to pst by using the free demo version.
For more info:- Convert mbox to pst files