There are two ways for converting MBOX to PST format. First you should try an easy manual trick for importing MBOX files' data to Windows Outlook. The manaul trick can only be used if you're switching from AppleMail to Windows Outlook. You can read this blog post for complete information: MBOX to PST Manual Conversion – An Easy Tutorial | N. Sem's Blog
You can also try professional MBOX Converter software that can swiftly convert MBOX files into PST format without causing any changes or data loss. By using this software, you can convert MBOX files even if they are corrupt. Also, you can convert MBOX files to other file formats as well, such as: MSG, EML, HTML & RTF. You must download its demo first before purchasing its licensed version.
I hope the shared information would be helpful here.
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