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Enable prefilling for marketing forms

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Important

This article only applies to outbound marketing, which will be removed from the product on June 30, 2025. To avoid interruptions, transition to real-time journeys before this date. More information: Transition overview

The prefill feature for marketing-page forms provides returning contacts with a form that already shows their previously entered information, like their name and email address. Contacts will usually find prefilled forms to be more convenient, which is likely to improve the submission rate. Prefilled forms can also help lower data-entry errors, thereby improving the quality of your data. However, you must also consider your contacts' privacy, so you'll be able to control precisely which fields on which forms will allow prefilling, and each contact can choose for themselves whether or not to allow prefilled landing-page forms. Subscription center forms, however, always support prefilling due to the role they play in the system.

For general information about how to create, design, and work with marketing pages, see Create and deploy marketing pages.

How prefilling works for different types of forms

Dynamics 365 Customer Insights - Journeys supports three marketing form types: landing pages, subscription centers, and forward-to-a-friend. Because each form is very different, each of them treats prefilling differently.

Landing-page forms

The following rules apply for prefilling landing-page forms:

  • Landing-page forms manage prefilling at three levels: field, form, and contact. Only fields explicitly configured to allow prefilling can provide prefilled values, and only on forms where prefilling is enabled, and only for contacts that enabled the "remember me" feature the last time they submitted a form.
  • All landing-page forms that have prefilling enabled must include a "remember me" check box, which enables contacts to manage the feature.
  • When a contact submits a landing-page form with the "remember me" check box selected, Customer Insights - Journeys creates or updates the contact record with information from the incoming form, sets the Prefill marketing form field to Allow for that record, and stores a cookie in the contact's browser. The cookie contains a public hash code, which Customer Insights - Journeys can use to find a contact record and returned a form prefilled with values from that record the next time that contact requests the form using the same browser (not in private-browsing mode).
  • When a contact submits a landing-page form with the "remember me" check box cleared, Customer Insights - Journeys creates or updates the contact record with information from the incoming form and sets Prefill marketing form to Disallow for that record.
  • When a contact with Prefill marketing form set to Disallow opens a landing page, Customer Insights - Journeys won't return any contact-record values even if the cookie is present, and regardless of the prefill settings for the form and its fields.
  • When a contact with Prefill marketing form set to Allow opens a landing page, Customer Insights - Journeys requests the cookie, finds the matching contact record (if any), and returns a form where all fields enabled for prefilling show matching values from that contact's contact record.

Note

You can view the allow-prefill and other contact preferences for any contact. To see it, open the contact record, go to the Details tab, and review the Contact preferences section. More information: Manage information about your current and prospective customers

Subscription center forms

The following rules apply for prefilling subscription-center forms:

  • Subscription forms always allow prefilling, and all fields in the form will allow prefilling regardless of their Prefill setting.
  • All marketing email messages must include a link to a subscription center. The link always includes an ID that Customer Insights - Journeys uses to identify both the recipient and the message. When a contact selects this link, Customer Insights - Journeys uses the submitted ID to find the contact record and return a form prefilled with contact values and the current state of each included subscription list. Customer Insights - Journeys also sets a cookie just like the one it sets for landing pages.
  • If a contact opens a subscription center page directly, rather than selecting a link from an email, then the ID won't be present in the URL. Instead, Customer Insights - Journeys requests the cookie as backup to identify the contact. If the cookie isn't found, then the subscription center won't work because it won't know who it's talking to.
  • Links in email test sends also don't include a recipient ID, which means that when you open a subscription center link in a test-send email, the subscription center probably won't work. To test a subscription center, create and run a simple customer journey with a segment that only targets your own email address and a test message that includes the subscription-center link.

Forward-to-a-friend forms

Prefilling isn't supported for forward-to-a-friend forms because these forms don't display information from the database. The email addresses that contacts enter here aren't checked against addresses already in the database, and the values entered aren't connected to the submitting contact in any way. These addresses are only stored temporarily—they aren't used to create new contact records, nor are they visible to Customer Insights - Journeys users.

Create a landing-page form with prefill enabled

To create a form with prefilling enabled on one or more fields:

  1. Go to Outbound marketing > Internet marketing > Marketing forms. Then either open an existing form to edit it or choose New on the command bar to create a new one.
  2. Set the Form type (near the top of the page) to Landing page.
  3. Go to the Summary tab and find the Content section. Make sure the Prefill fields setting here is set to Yes. (If this is set to No, then the form will not support prefilling for any fields.)
  4. Go to the Designer tab and add all the required fields and other design elements.
  5. None of the fields allow prefilling by default. To enable prefilling for a field:
    • Select the field element on the canvas.
    • Open the Properties tab in the side panel.
    • Select the Prefill check box.
  6. Repeat the previous step for each field where you want to enable prefilling.
  7. Make sure your form includes a Remember me element. This creates the check box that contacts can use to control the prefill feature. (It's usually added automatically when you enable prefilling for the form.)
  8. Save your form.

Create a subscription-center form with prefill enabled

Prefilling is always enabled for all fields in a subscription center form. To create a subscription-center form:

  1. Go to Outbound marketing > Internet marketing > Marketing forms. Then either open an existing form to edit it or choose New on the command bar to create a new one.
  2. Set the Form type (near the top of the page) to Subscription center. This option does the following:
    • The Prefill fields setting on the Summary tab is automatically set to Yes and becomes read-only.
    • All fields will support prefill, regardless of their Prefill setting.
    • You don't need to include a Remember me element, but you should consider adding one to enable contacts to enable prefilling the next time they visit one of your landing pages.
    • You must always include a Do not email element.
  3. Go to the Designer tab and add all the required fields, subscription lists, and other design elements.
  4. Save your form.

More information: Set up subscription lists and subscription centers.

Enable prefill for an embedded form

If you have embedded a marketing form on an external website (such as your own organization's website), rather than publishing it on a marketing page published on a Power Apps portal, you must authenticate the domain where you have embedded the form and also configure the form to enable prefill. For instructions, see Integrate with forms published on an external website.