The Regain OST to PST Converter Tool is a reliable software solution designed to effortlessly convert OST files to PST format, ensuring data integrity and accessibility. Key features include the ability to recover and convert inaccessible or orphaned OST files, selective conversion with advanced filters, and support for multiple file formats like EML, MBOX, MSG, and more. The tool maintains the original folder hierarchy and allows batch conversion of OST files. It also offers a preview option before conversion, ensuring a seamless and user-friendly experience.