Confirm the action by selecting "Sign out" again. Doing so should remove access to your Google account from that particular device. If you find that there are devices listed that you don't own or ...
Google says the move is primarily to prevent inactive accounts from being hijacked and abused: "forgotten or unattended accounts often rely on old or re ... inactive Google account will be closed.
If the idea of cleaning out your inbox feels overwhelming, you might want to give up and start paying for extra Gmail storage ...
If you have an old Google account lying around ... Once deemed inactive, starting December 1, Google may delete all the account's content and data. As Forbes pointed out, this includes a host ...