Beside Manual Technique, there are other methods to perform EML conversion to PST
Method 1
In order to view EML file to Outlook, drag and drop any email file inside Outlook folder. Outlook will quickly open dragged email file and you will be able to save it within desired folder. But the method supports single EML file and it is not possible to move multiple EML file within Outlook using the same method.
Method 2
Number of free tools are available to convert EML files to Outlook PST over the internet. Free tools can do the task easily but many of them install unexpected content within the system like browser tool-bars, Outlook add-ins, and spy-ware or ad-ware modules. This method is also not reliable as there is no guarantee that personal correspondence will not be sent to third party without any permission.
Method 3
SoftTweak EML to PST is precise solution which can easily perform EML data to PST without more ado accurately and securely without any data loss. This tool guarantees the complete protection of the data. It is simple to use and can be easily accessed by non-professionals.