MacArmy MBOX Converter for Mac makes batch email conversion from MBOX to Gmail in single round. The app provides twin ways for uploading MBOX data like Add Files & Add Folder. The software also makes feasible to select numerous emails very simply. The software is applicable to all Mac OS versions like Monterey, High-Sierra, Catalina, etc. And as a demo purpose, it is permissible to migrate 25 MBOX emails to Gmail free of cost.