If you are looking for a solution to convert PST to MBOX with complete data then I would recommend you to use Advik PST to MBOX Converter on your system. The software directly allows you to export PST to MBOX format. It preserves data integrity and the structure of emails during PST to MBOX conversion. It comes with simple initiative interface that is helpful for all types of users.

Steps to Convert PST to MBOX File

1. Run the Advik PST to MBOX Converter.

2. Add the PST file.

3. Choose MBOX from the saving options.

4. Browse the targeted location and hit the Convert button.

Done! Here complete the PST to MBOX conversion.