Google is rolling out a feature to fix or change your Gmail address (How To)

Google rolls out option to change Gmail addresses. Here's how to change your Google Account email address and transitioning to a new Gmail address.
Forbes

Google Warns Of October 3 Gmail Account Deletion — How To Keep Yours

Act now to stop your old Google Accounts from being deleted. It’s been quite the week for Google, what with Gmail celebrating its 21st birthday and users being ...