The easiest way to switch EML emails to Outlook format is to use the ZOOK EML to PST Converter, which is the best option available. Its intuitive graphical user interface is suitable for both experienced and inexperienced users. More than 30 EML-based email clients are supported, including Windows Mail, Mac Mail, Vista Mail, and others.

Users of EML to Outlook Converter can convert files in batch mode, including those with attachments contained in them. It guarantees that the file format won't be altered.