Comcast offers two ways to change your Xfinity username email account password. If you know your current password, enter your email address. Email to start the password change process. If not, Comcast will not forget your forgotten password but will allow you to recover it using a security issue or email. Upload link sent to another email address. In this blog, you will learn about how to change comcast email password procedures. In addition, you will learn great tips for creating a strong password for your Comcast email account.