List Management How to add custom fields to capture more about your subscribers Custom fields let you collect more than name and email, then personalize and segment on it. Add one step by step: pick a type, name it and its merge tag, set options, and use it in emails and segments. Jun 3, 2026 · 6 min read · Beginner · Personalization, Custom Fields · ❤ 40 · 💬 10 Read more →