Start the Apple Mail on your system.Click File >> Import Mailboxes.Select all the files that you want to import in the MBOX. Click Continue.Browse to the location where you have saved in the MBOX file. ...After the process gets complete, click Done.
I have used many manual methods but did not satisfied with any of the methods. Being a non-technical user, I first go through manual methods but due to some issues, I found it not effective so I used MBOX to PST Converter tool and got best results. You may go for the software.
More Info:- https://www.softakensoftware.com/mbox-to-outlook-converter.html
Try out this MBOX to PST Converter Software, you can safely export MBOX files to PST format without any data loss. This tool will convert multiple MBOX files into PST, EML, EMLX, and MSG file formats. You become familiar with this tool, after operating it 1-2 times. The software works smoothly with all the versions of Microsoft Outlook 2016, 2013, 2010, 2007, and 2003, etc.
More info:- https://www.softknoll.com/mbox-to-pst-converter/
jos butler
This MBOX to PST Converter Software is the simplest way to convert MBOX to PST in any versions of Outlook and without an outlook. It lets the user convert the MBOX data to PST, EML, MSG, RTF, MHTML, and HTML format without any issue. It shows the preview of entire MBOX data with actual structure intact and it provide multiple preview mode to see the conversion such as Hex View, HTML View, RTF View, Properties View, etc. to view MBOX emails in details. It provide an enhanced easy to use user friendly interface which allow all users to easily handle this software without any specific knowledge.
Read more info:- https://www.softmagnat.com/blog/how-to-import-mbox-to-outlook-com-account/