When you are using some other native language in your Yahoo account; it gives an amazing experience to your readers. You can also get a warm welcome from them. Once, you are back; you can change it back to your prefer language. You just need to Sign into your Yahoo account and go to the Account Settings section. Here you can set the Yahoo account language of your preference or you can choose for by default one. If needed, you can call and take help form the Yahoo mail customer support team on their toll-free number.