To view or transfer multiple MBOX files in a Gmail account, you can use the professional MBOX Converter Tool. This tool is the most suitable solution for secure transfer of MBOX files into various email clients including Gmail. It can perform the bulk migration of MBOX files while maintaining data integrity. With its advanced features, you can migrate MBOX files of a particular date range. Also, it allows you to convert MBOX files to PST, PDF, EML, MSG, CSV, and other formats. Moreover, this software supports MBOX files of any email client.