You can directly export multiple EML files into PST format then you can choose EML to PST Converter. A reliable file format that is widely supported by multiple email clients such as Entourage, Google takeout, Netscape, SeaMonkey, and etc. The software allows the user to select the between two dates by using the ‘Message Filtering’ feature.

Read more info: https://www.kdetools.com/eml-to-pst-converter.html