If you are Searching a perfect MBOX to PST Conversion tool then I want to suggest you try this MBOX to PST Converter tool that has ability to Convert your multiple MBOX files to Outlook PST format without any data loss risk. You can also save your Converted MBOX file to multiple file format like: PST, EML, MSG, EMLX, HTML and Office 365 Platform. This Software easily supports all the version of MS Outlook and Windows OS.
You can download this Software free demo version from here: http://www.mbox.ostintopstconverter.com/