I've used imapsync before (link below). You configure in your gmail credentials on one side and your new account on the other. You'll want to set up "device" pa

I've used imapsync before (link below). You configure in your gmail credentials on one side and your new account on the other. You'll want to set up "device" password for it to avoid any 2fa/not a robot checks. It does take a while due to google rate limiting (think days). But once you get it started, you can just let it run. imapsync homepage: https://imapsync.lamiral.info/ https://imapsync.lamiral.info/ imapsync github gmail faq: https://github.com/imapsync/imapsync/blob/master/FAQ.d/FAQ.Gmail.txt https://github.com/imapsync/imapsync/blob/master/FAQ.d/FAQ.G...