If you are looking for a reliable solution for MBOX to PST conversion then, SysBud MBOX to PST converter
will the perfect choice for you. Using this tool you safely convert multiple MBOX files into single or separate PST files. The tool support all MBOX file supported email clients, such as- Apple Mail, Thunderbird, Eudora, Gmail, Seamonkey, Spicebird, OperaMail, PocoMail, WebMail, etc.
For more:- MBOX to PST Migration