Make sure you’re logged in to your account. Check the box once you’ve entered. It’s conveniently placed under the “delete” button. After they’ve all been chosen, hit the “delete” button. This may take a few minutes for messages to go away.
In Outlook or Windows Live Mail, right-click any highlighted correspondence and choose “Delete” from the drop-down menu, or simply hit the “Delete” key on the keyboard. To delete all of the messages selected in Yahoo! Mail, click the “Delete” button in the email toolbar.
Unfortunately, there isn’t a quick method to chop them. Instead of clicking a handy button, you must press and hold the Shift key instead of clicking. Click the first email, keep holding down Shift, click the last email, then hit Delete.
Go to a computer with internet access, sign in to your Yahoo Mail Account and open your inbox. Select the first message. Scroll down until you reach the bottom of the screen to where you want to remove the message. Hold down the “Shift” key on your keyboard while selecting the message. Click the delete button now.
Select all messages by clicking the Select All checkbox (the one above all the individual ones) in Unread. To mark all of the emails, click on the Select All checkbox (the one above all the individual ones). To delete all of your e-mails, click on the Delete button with a trash can symbol.