If you want your Gmail emails stored safely on your computer or another mail client, this tool is useful. ConverterTools Gmail Converter supports multiple saving options, giving users flexibility during backup. It also helps maintain email formatting and attachments while storing them locally. Users can also export Gmail to MBOX, which works well if they plan to move data to Thunderbird or Apple Mail. Furthermore, the tool is designed so simple that new user can run it easily without any technical assistance.

For more: https://www.convertertools.org/blog/export-gmail-to-mbox-file/