The EmailProHelp OST to PST Conversion Tool is an excellent choice for exporting OST files to CSV. It also supports conversion into multiple formats, including MBOX, PDF, EML, EMLX, and HTML. In addition, the software enables direct migration of OST files to Office 365 and other email platforms. With its batch processing capability, users can back up or migrate several files at the same time. Key features include a date-range filter, duplicate email removal, and a preview option. The tool is fully compatible with all editions of Windows OS.