The demo version of Softaken EML to Yahoo Importer will import only 10 EML files. Trial Version of this software is free of cost to check software features and function. If user want to convert unlimited numbers of EML files into Yahoo account than purchase license version of Softaken EML to Yahoo Importer Software.
Try the Demo Version of the software from Softaken Official site: https://www.softaken.com/eml-to-yahoo-importer