Manual methods often fail when users attempt to open MBOX files on Mac, especially if the file is very large or corrupted. To avoid such problems, you can use MailConverterTools MBOX File Viewer Tool, which scans and displays MBOX content without any data loss. You can easily access emails, attachments, contacts, and other mailbox items. It also allows you to add multiple MBOX files at once, making the process faster and more efficient. The tool ensures your data remains intact and organized.  Additionally, the "Upgrade to PRO Version" feature allows users to save recovered MBOX files to their system. With the PRO version, you can convert your MBOX files into various formats, including Outlook PST, MSG, RTF, and EML. Apart from this, the software is highly compatible with all major versions of Windows Operating Systems.