Marketing personalization in CRM involves tailoring marketing messages, content, and campaigns to align with individual customer preferences, behaviors, and purchase history. Businesses use CRM data, AI-driven recommendations, and behavioral tracking to deliver one-to-one marketing experiences. Personalization strategies include dynamic email content, targeted product recommendations, and customized promotions based on customer engagement patterns. A well-implemented CRM personalization framework improves customer satisfaction, engagement rates, and conversion rates by ensuring that marketing efforts are relevant and meaningful. By leveraging automation and segmentation, businesses create highly personalized customer journeys that drive loyalty and repeat purchases.