I'm trying to customize the checkout page and there is a small link so the user can access the account on the checkout page but I can't customize my changes don't reflect on the front end. I don't know if it's the correct file, but what I'm editing is the "authentication.html" file

  • Can you please explain bit more about your question or with screen shot what you want to edit or modify? Aug 16, 2021 at 3:51
  • On the Checkout page there is a modal to access the account. I'm wanting to customize this modal, but when I extend it to my theme it doesn't seem to work. I think I'm editing the correct file, but the changes don't reflect on the front-end
    – lucas
    Aug 16, 2021 at 5:11

2 Answers 2


To customize the modal, you can look on the side of:

  • httpdocs/vendor/magento/module-customer/view/frontend/web/template/authentication-popup.html

Then you have to clear the cache and regenerate the static :

  • rm -rf pub/static/frontend/*
  • bin/magento setup:static-content:deploy -f
  • unfortunately it wasn't that file. I ended up getting it, it was the authentication.html file inside Magento_checkout
    – lucas
    Aug 16, 2021 at 17:36

We have shown one example here that how can we do changes in login pop up on checkout page. Please follow below steps to override file.

You have to override file vendor/magento/module-checkout/view/frontend/web/template/authentication.html in your custom theme like app/design/frontend/{{YOUR THEME NAME HERE}}/Magento_Checkout/web/template/authentication.html

We have changed "Email Address" field label from above overidden file. Here is the screenshot https://prnt.sc/1q9r1so

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