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