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In the form editor, click the Desktop or Mobile tabs to toggle between the two views.
To see how your contacts' data will be displayed in your form's fields, activate the option Preview form with filler text.
To test your form, you must send an email to a group (for example, use a test group containing only your personal email address) and include a link to your form in it.
You can insert an update profile link in the body of your mailing or in its footer.