To Convert PST Files into EML Format? Then I would like to suggest you can also try ZOOK PST to EML Converter tool, which can be found online or as downloadable software. Install the chosen tool and open it. Then, load your PST file by navigating to the 'Import' or 'Add File' option provided by the software. After the PST file has been loaded, select the EML format as the desired output option. Finally, choose a destination folder for the converted EML files and initiate the conversion process. Once completed, your emails will be available in EML format for access in compatible email clients.