Emails
One idea to improve the system and service, would be for Yahoo to NOT delete 3 years of my emails and then make it only possible for me to retrieve the last 7 days. Thanks Yahoo!!!
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If your account has had no activity for 365 days, then the account is deactivated. We communicate this a few times which includes sending you an email to your alternative email account, so make sure that is updated. If you need help reinstating, contact our CC team at help.yahoo.com. They have the tools to help with these issues. Hope this helps!