Yes you can
batch convert EMLX to MBOX while preserving folder structure with the help of
FixVare EMLX to MBOX Converter. This tool supports batch conversion so you can easily convert a large number of EMLX files into MBOX format at once. It is designed with a simple and easy GUI so you don't need to be a technical expert to complete this conversion. With the aid of this tool you can convert Apple Mail EMLX files into MBOX-supported email clients such as Thunderbird, Eudora, Entourage and more. It converts EMLX files without losing data. You just need to follow a few simple steps to operate this tool. It works with Windows 11 10 8 7 and previous versions.