Advanced PST to EML Converter tool of SysInfoTools Software can convert your single and multiple Outlook PST files into EML format in just a few mouse clicks. It performs conversion of PST files to EML format in a very safe mode, i.e. without causing any damage or changes to the original files. It supports the conversion of ANSI and Unicode format"s PST files and creates new EML files at a user-defined location. This tool has an auto-search feature that can search the PST files from your system in an automation mode. This tool has a date range option for saving data according to a date range that can be either predefined or you can define manually. It has an interactive graphical user interface that helps technical and non-technical users efficiently use this tool. This tool supports all major versions of Microsoft Outlook and is compatible with all popular Windows operating systems. SysInfoTools Software provides a demo version of this tool that can be used for free evaluation purposes. This tool"s Demo version can convert the first 50 email items of each selected mailbox folder per PST file.
Source: https://www.sysinfotools.com/converter/pst-to-eml.php