MailsDaddy PST File Converter software (version 2.5) is a powerful tool for converting PST files to various file formats such as EML, MSG, MBOX, HTML, RTF, etc. It supports batch conversion of multiple PST files at once and maintains the folder hierarchy and metadata during the conversion process. It also provides a preview option to view the content of the PST file before conversion and allows users to split large PST files into smaller ones.