To extract and convert OAB files to MBOX, EML, and TXT, use SoftMagnat OAB File Converter , a professional tool for seamless migration. First, convert OAB contacts to vCard (VCF) or CSV, and then import them into email clients supported by MBOX or EML, such as Thunderbird. For exported contacts in TXT format from OAB, save the contact list as a CSV file and then open it with Notepad. The utility provides batch conversion and selective migration, and the preview feature before export. The user-friendly interface requires neither Outlook nor Exchange, making conversion an effortless experience. Taking the free demonstration will render user experience with OAB files smooth.