One of the easiest ways to import PST to MBOX is the CubexSoft PST to MBOX Converter. It is an efficient utility that can convert Outlook PST files into different file formats. This software has a simple and interactive interface that makes it easy to use. Users can add and convert multiple PST files at once with this tool. Additionally, users do not need to install the Outlook application to convert PST files with the help of this tool.