OST Extractor Pro is a software tool designed to convert OST files from Microsoft Outlook into various other formats, facilitating seamless data migration and management. Key features include the ability to convert OST files to PST, MBOX, EML, Apple Mail Archive, Thunderbird, and Postbox formats. It ensures data integrity by preserving all email components, such as metadata, folder hierarchy, and attachments, during the conversion process. The software also supports batch conversion for efficiency, handles large OST files, and is compatible with both Windows and Mac operating systems.