One thing you can do is schedule a bimonthly download of all your Google data: https://takeout.google.com https://takeout.google.com Setting up mail forwardin

One thing you can do is schedule a bimonthly download of all your Google data: https://takeout.google.com https://takeout.google.com Setting up mail forwarding to another address you own might also help (assuming Google doesn't stop the forwarding when they lock you out which is something I heard but it's not confirmed).