Emptying the Trash folder means deleting all emails in it at once. If there is at least one email in the Trash folder, the Clear button appears on the Navigation bar to the right of the folder name.
To empty the Trash, do the following:
1.Click the Clear button to the right of the Trash folder name.
2.Confirm the action in the window that opens.
All emails from the Trash folder will be permanently deleted, and the Clear button to the right of the Trash folder name will disappear.