The add-on ImportExportTools NG is a good manual solution when you just want to import a few MBOX files. But, it can be a time-taking process, in case you have several or large MBOX files.To simplify, you can go for SysTools Thunderbird Importer. Thi...
If you have only a few MSG files, you can open them in Outlook and save the attachments manually. But, for multiple MSG files, use SysTools MSG Attachment Extractor. It lets you extract attachments from multiple MSG files in one go and save them to o...