How to Add Contacts to Mailchimp Mailing Lists

Mailchimp is an email marketing service that allows you to send emails to your customers and subscribers. The simplest way to create Mailchimp mailing lists is to sign up for Mailchimp and connect it to Tilda. You can configure everything else in the Site Settings.
On Tilda, go to the Site Settings → Forms → Mailchimp. Click on Connect Mailchimp to sign in to your Mailchimp account and connect it to Tilda. Next, you will be asked to give access to your account, click "Allow".
Select the mailing list the collected email addresses should be added to, or create a new one.

If double-opt-in is enabled, new contacts will be added to the mailing list only after confirmation (sent by email).

Save the changes.
The "ID LIST" field set to "Create new list" on the "Data collection setup: Mailchimp" page in Site Settings.
Go back to the page with the form and open the Content panel of the block with the form.
The "Content" button in the top-left corner of the CR32N block in the page editor.
Under the "Connected services", select the MAILCHIMP checkbox.
In the block Content menu: the Mailchimp checkbox selected under "CONNECTED SERVICES:" in the "FORM DATA RECEIVER" section.
Publish the page. Done!
If Mailchimp is used to send marketing emails through the Email Campaign Builder, make sure to add the "Unsubscribe" button to your emails. Insert the URL in the following format *|UNSUB|* at the bottom of the email. Learn more here.
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