I want to add SysCurve MBOX to PST Converter. It is one of the most prefered tool globally. With the help of this software, you can change MBOX files to PST, EML, MSG, HTML, and other file formats.The software support over 20 MBOX email clients. It also allows users to perform MBOX to Office 365 migration.
To know more about this tool, visit:https://www.syscurve.com/mbox-to-pst-converter.html
For manual solution, visit: https://www.syscurve.com/blog/how-to-convert-thunderbird-to-outlook.html
Manual method: https://www.syscurve.com/blog/how-to-import-mbox-into-outlook.html

You can manually export MBOX to PST format but if you need an expert tool then i would like to suggest MailsDaddy MBOX to PST Converter tool. This single solution provides various types of export format like Office 365, EML, MSG, Live Exchange etc. You can also use the free demo version first and migrate up to 20 items from each folder.
Read more here: https://mailsdaddy.bigcartel.com/product/mailsdaddy-mbox-to-pst-converter

MacSonik MBOX converter tool is the fremost solution to oconvert MBOXto PST. This tool supports all MBOX files and bulk converts them with accuracy. It is an advanced software inbuilt with various beneficial features that provides a secure conversion of MBOX files. Data security and originality is maintained throughout the conversion process. The MBOX converter removes any duplicate emails from the conversion process without any data alteration.

Follow the below steps to convert MBOX to PST -

1. Install and Run the MBOX converter tool.
2. Choose the Single/multiple MBOX files.
3. Select **PST **as the output file from the drop-down box.
4. Click **convert **to start the conversion process.