The demo version of Softaken MSG to MBOX Converter will convert only 10 MSG files. Trial Version of this software is free of cost to check software features and function. If user want to convert unlimited numbers of MSG files into MBOX format than purchase license version of Softaken MSG to MBOX Converter Software.
Try the Demo Version of the software from Softaken Official site: https://www.softaken.com/msg-to-mbox-converter