If you need to delete Yahoo emails from your iPhone, the fast way to do this is the following:
This will be on the left side of the search box. Type the letter 'e' into your email search box.Tap and hold will allow you to open up any bulk actions needed, like deleting all Yahoo emails.A swipe to the right: This will mark your email as being read or unread.It's just a swipe to the left: No matter the folder, this is an easy way to delete a single email.Follow the steps below to clean up your account: This process also works specifically if you want to know how to delete all emails on Yahoo app. If you spend a lot of time sending and receiving communications through your Android smart device, you may want to know how to mass delete Yahoo emails on Android. Manage your mailbox overloaded with unwanted emails more efficiently Try Clean Email for Free How to Delete Thousands of Emails at Once on Android