As we know what is the importance of passwords.Password for any email is make a great role for security. But,we have problems to having a password.The problem is that we forget our password due to which we lose access to our email account.But, you are in luck because You can change password,yahoo mail change password is simple . You need to have your registered phone number or alternative email id.You can click on the forgotten password and follow the instruction. For more information-is yahoo mail not working ?