Change Your Comcast Email Password Through the Xfinity Website
You can change your Comcast email password by logging into your Xfinity account online, then navigating to the email settings section. The process takes about five minutes and works from any browser on any device.
Go to xfinity.com and sign in with your Xfinity username and password. Once you are logged in, look for your account name or profile icon in the top right corner and click it. Select "Account" or "My Account" from the menu that appears. Find the section labeled "Email" or "Email Settings" — the exact wording varies depending on which version of the Xfinity website you see.
Click on "Change Password" or "Update Password." You will be asked to enter your current email password to confirm your identity. Type in your new password twice to make sure there are no typos. Comcast requires passwords to be at least 8 characters long and include at least one number and one uppercase letter. Click "Save" or "Confirm," and your new password takes effect when ready.
Key Takeaways
- Log into xfinity.com with your Xfinity username and password, then navigate to Account and Email Settings to find the password change option.
- Your new Comcast email password must be at least 8 characters long and contain at least one number and one uppercase letter.
- You will need to enter your current password before you can set a new one, so have that information ready.
- The new password works on all devices and email clients when ready after you save it, but you may need to re-enter it in Outlook, Gmail, or other email apps.
- If you cannot remember your current password, use the "Forgot Password" link on the Xfinity login page instead of trying to change it.
Update Your Password in Email Apps After Changing It
If you use Comcast email in Outlook, Apple Mail, Gmail, or another email client on your phone or computer, you will need to update the password there as well. The email app will not automatically know about your new password and will keep trying to use the old one, which will cause login errors.
On most devices, open the email app, go to Settings or Preferences, find the account that uses your Comcast email address, and look for a password field. Delete the old password and type in the new one. Save the changes. The app will reconnect to Comcast's servers and should work normally within a few minutes.
If the app continues to show an error after you have entered the new password, try removing the account entirely and adding it again from scratch. This forces the app to re-authenticate with Comcast's servers using your new credentials.
What to Do If You Forget Your Current Password
If you cannot remember your current Comcast email password and the Xfinity website will not let you change it without entering the old one, use the "Forgot Password" link on the Xfinity login page instead. This will send a reset link to the email address or phone number associated with your Xfinity account.
Click the link in that email or follow the text message instructions to set a brand new password. You do not need to know your old password to do this. Once you have reset it, you can then change it again through the normal Account and Email Settings route if you want a different password.
Passwords That Work Across Xfinity Services
Your Comcast email password is separate from your Xfinity account password — they do not have to match. If you change your email password, your Xfinity login password stays the same. If you want to change your Xfinity account password (the one you use to log into xfinity.com itself), that is a different process done in the Account Security section, not the Email Settings section.
Some people choose to keep both passwords the same for simplicity, but Comcast does not require this. Keeping them different can be more find, since a breach of one does not automatically compromise the other.
Troubleshooting Password Changes That Do Not Work
If you changed your password on the Xfinity website but email apps still will not connect, wait 15 to 30 minutes before trying again. Comcast's servers sometimes take a few minutes to sync the change across all their systems. Restart the email app or device after you have entered the new password.
If you see an error message saying your password is incorrect even though you just changed it, double-check that you are entering it exactly as you typed it — passwords are case-sensitive, so "MyPassword123" is different from "mypassword123." If you are still stuck, reset your password again using the "Forgot Password" link and choose a simpler password with no special characters to rule out typing errors.
Browser and Device Compatibility
The Xfinity website works in all modern browsers: Chrome, Firefox, Safari, and Edge. You can change your email password from a phone, tablet, or computer. If the website looks broken or the password change button does not appear, try clearing your browser's cache and cookies, then log in again. If that does not work, try a different browser.
Some older email apps may not work with Comcast email after a password change if they do not support modern security standards. If you are using an email app from more than five years ago, consider updating to a newer version or switching to Gmail, Outlook, or Apple Mail, which all work reliably with Comcast email.
Frequently Asked Questions
How often should I change my Comcast email password?
There is no requirement to change it on any schedule. Change it if you think someone else knows it, if you used the same password on another website that was hacked, or if you have not changed it in several years. Most security experts recommend changing passwords only when there is a reason to, not on a fixed calendar.
Will changing my email password log me out of webmail?
Yes. If you are logged into Comcast webmail in a browser, you will be logged out when you change the password. Log back in with your new password. This is normal and expected.
Can I change my Comcast email password from my phone?
Yes. Open a web browser on your phone, go to xfinity.com, log in, and follow the same steps as on a computer. The Xfinity website is mobile-friendly and works the same way on all screen sizes.
What happens to emails I already received if I change my password?
Nothing. Your old emails stay in your mailbox. Changing the password only affects your ability to log in going forward — it does not delete or move any messages you already have.
Do I need to change my password if I change my Xfinity internet plan?
No. Your email password is tied to your email account, not to your internet service. Changing your plan, upgrading your modem, or switching to a different speed does not affect your email password.