Downloading your Gmail data is surprisingly simple thanks to Google Takeout. The result is an MBOX file, which might leave you wondering what to do with it. Well, there's plenty you can do with it.

How to Use downloaded Gmail Archive MBOX file in Outlook 2019, 2016, 2013, 2010, 2007, 2003, 2002, etc. versions. Google Mail Takeout service allows you t ...

Allows the users to import MBOX file to Gmail, Yahoo, IMAP, and Thunderbird. Easily converts batch MBOX files in one go. Maintain the hierarchy of the original folder.

Or maybe you are a Google Apps administrator trying to import all of your users’ old mbox files into Google Apps for Work? Then import-mailbox-to-gmail is probably what you’re looking for.