Convert the MBOX file to another file format like HTML, RTF, MSG, etc. Use Data Recovery Freeware MBOX to PST converter. It locates the MBOX file or folder using the search option. Moreover, this tool smoothly works on all versions of MS outlook and MS windows version.
The user-friendly interface of the MBOX to PST Conversion Tool makes it easy to export MBOX files into the PST file format. The tool is useful when migrating all of the data from the Thunderbird file to the Outlook PST file. To export data into a PST file format, simply browse any size MBOX file. All versions of Thunderbird are fully supported by the application. Your system must have Thunderbird installed to transfer an MBOX file to an Outlook PST file. Refer: - https://www.softakensoftware.com/ost-to-pst-converter.html