$29

GainTools MBOX Converter allows users to convert a lot of MBOX files at once. It keeps the formatting of emails, images that are embedded in text, and the full folder structure. It's easy to export to PST, EML, MSG, or PDF forms. It can open MBOX files made by Thunderbird, Apple Mail, and other email clients. There are no file size limits, so big mailboxes can be converted easily and safely. For people who aren't tech-savvy, the software is easy to use. Works great on Windows 11, 10, 8, 7, and lower versions. You can download a free demo to see how it works and how good the change is first. It offers easy and safe ways to move emails between computers.