How to save EML files into PST? To get the answer of this question you can utilise EML to PST Converter which has ability to convert all attachments along with all other data of selected EML files. You can use this software as through this you can easily understand how to save EML files into PST format as this can maintain the structure of files so that all users can understand the converted files without any issue. To better understand how to save EML files into PST format you can download its free demo edition which can transfer first 25 EML files easily along with all text and non-text details.