The method on how to retrieve deleted emails Yahoo is by submitting a restore request. So, if you happen to lose your data in the past seven days, this method will work out for you. So, follow the below steps:

1. First, move to the 'Yahoo! Mail Restore' Help Form and select the 'Send a Restore Request' option.
2. Now, click the 'Accidentally deleted messages.'
3. Next, enter your email address and then type in a second email address that you can access and click the 'Create Request' button to restore deleted emails.
4. If you are looking for how to recover deleted emails from Yahoo after 30 days, you have to use a third-party tool.