Firstly, users have to install this Mailvita PST to EML Converter for Mac and Win Tool.

Now, let us follow the steps to convert the PST files.

Step 1- Click on the "Add PST" button and add the PST files that you want to convert.
Step 2- You can check the preview of the selected PST files from here.
Step 3- Check the checkbox if you want to ignore the empty folders.
Step 4- Select the format in which you want to convert the PST files into.
Step 5- Choose the destination to save the files.
Step 6- Finally, click on the "convert" button
Step 7- If you face any hurdle then click on this "help" button.

Visit here: https://www.mailvita.com/pst-to-eml-converter-for-mac/