If you are looking best software to convert MBOX file into PST format so I want to refer to you best MBOX to PST converter software which is KDETools software. This software is one of the most popular email clients that support more than 20 email clients. This software has a Message Filtering option that allows users to select MBOX items between two dates and start the conversion process.
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.