You can use a subscription update form to collect updated information from your contacts.
A subscription update form uses personalization tags to pre-populate contacts’ information into the form fields, so they can see their information and update it as needed.
Link to this form in a campaign or automation email to periodically ask contacts to review their information for accuracy. Or, you can always include a link to this form so contacts can see and edit their information whenever they like.
Read this Help article to learn how to configure your form and include a link to it in an email.
To learn more about pre-populating form fields, check out our guide.