Yes, it is possible to preview EML files before converting them to PST, although this feature is often limited to professional tools. Before beginning the conversion, previewing allows you to inspect the email's details. One of the best tool available for this is the GainTools EML to PST Converter. You can see a full preview of emails, including the topic, sender, recipient, and message text by loading EML files. Verifying the data and choosing the necessary EML files for conversion is made simpler as a result. You can preserve the original folder structure and attachments when converting EML files into PST format after previewing. This tool guarantees secure conversion into Outlook and is particularly useful when working with several EML files.

Read More: https://www.gaintools.com/eml/pst/