If you are looking for a solution to transfer PST files to Thunderbird? Then, get the download and install PST to MBOX Converter software which helps you to transfer PST file to Thunderbird MBOX file format. This software converts multiple Outlook PST files to Thunderbird in one process. There is no need of MS Outlook installation is required on your PC, without Outlook you can transfer PST file to Thunderbird without any problem. It has very simple user-friendly interface, so everyone can easily handle and works with tool without any technical knowledge. It keeps all the data items and folder structure during the conversion process. This software comes with so many advanced features such as- batch conversion option, selected file conversion, preview facility, and many more. It supports all the MS Outlook and Windows OS editions.