In first step, install and launch this Maildir++ Converter Tool on any Windows computer.
Go to 'Add Folder' button and upload Maildir files that you want to convert.
After successful addition of Maildir files, choose PST, EML, MBOX, PDF, or other file format in which you want to export Maildir files.
Here, specify path for saving output file using the Browse button.
To commence the conversion task, press Convert Now button.