For Third Party Yahoo client configuration issue in Yahoo account, you can contact the Yahoo customer care. If you want to configure your Yahoo account and you are finding the whole process to be too difficult to understand and you do not have any one locally to help you with this. Then, you can do so by just giving us a call at our toll free Yahoo customer service number 1-800-471-6740. Our representatives will help you through the whole process guiding you in a step by step manner and making sure you are satisfied with their services. This service can be reached through 24 x 7 x 365. So, don't wait, just call them whenever you need any technical help.