Are you looking for a solution to free convert Mac PST to MBOX format? Don’t worry, make use of Mac PST Converter software that helps you to bulk convert PST files to MBOX file on Mac OS with all details and attachments without Outlook. It has a very simple GUI, anyone can easily handle and works with this software without any technical skills. There is no file size limitation, one can convert a large size of PST files without any changes and data loss. During the conversion process, the software keeps all the folder structures without any changes and data loss. It supports all the MBOX based email clients like; thunderbird, Apple Mail, Eudora, Entourage, and etc.