Selective MBOX files are converted to PST files with the eSoftTools MBOX to PST Converter tool, keeping all of its contents and data. MBOX-based email clients such as AppleMail, SeaMonkey, Opera, pocomail, Thunderbird, Entourage, and others will be able to convert MBOX to PST using the tool.MBOX files can be converted to a variety of formats, including PST, Office 365, EML, MSG, and others.
Read More:- Convert MBOX to PST files
Convert MBOX to PST Using Email Clients
Run Apple mail in your system.
Go to File >> Import mailbox option.
Now select the source of the MBOX file and click continue.
On browse location, choose MBOX file then click continue.
After the import process complete, click done.
This may help you, J wick