Guide

1. Navigate to the left-side panel and then click the 'Gear' icon to access the settings menu.

2. Select 'Third Party Tools.

3. Click 'Extensions' afterwards to launch the integration gallery.

4. Browse the library, then choose 'Mailchimp'.

5. Click 'Connect' to activate the integration.

6. Subsequently, click 'Allow' to agree with the terms and grant the necessary permission.

7. Click 'Log In With Mailchimp'.

8. Provide your Mailchimp user credentials and then click 'Log In' to proceed.

9. Subsequently, tap 'Allow' to authorize the integration.

10. Next, configure the integration settings based on your preferences and then tap 'Next Initial Sync' afterwards.

11. Click 'Go to Dashboard' once the sync has been completed.

12. After completing these steps, your Squarespace account will be integrated instantly with Mailchimp.