Do you want to take a backup of your all yahoo emails to the computer but you don't know the best solution to do this job. So I have a very smart solution for you: eSoftTools Yahoo Backup tool. This software supports saving downloaded files to the user defined location on their computer. Users can also save their Yahoo Mail emails into a variety of file formats like- EML, EMLX, PST, HTML, MHTML, MBOX and many more.