Business email personalization involves customizing email content based on customer data such as demographics, past purchases, browsing behavior, and engagement history. Personalized emails improve open rates, click-through rates, and conversions by delivering relevant content to recipients. CRMs enable email personalization by automating dynamic content, segmenting recipients, and tracking interactions. Advanced AI-powered CRMs use predictive analytics to suggest optimal send times and content tailored to individual preferences. Effective personalization fosters stronger customer relationships and increases engagement.