Navigate to Reports →Sales → Sales by Customer.

Use this reports for:

1. Customer Segmentation: Analyzing sales by customer allows to segment the customer base based on purchasing behavior, preferences, and profitability. This segmentation helps in tailoring marketing strategies, promotions, and product offerings to different customer segments, thereby improving customer satisfaction and loyalty.
2. Personalized Marketing: By understanding individual customer buying patterns and preferences, personalize the marketing efforts and communication strategies. This targeted approach can lead to higher conversion rates, increased customer engagement, and ultimately, higher sales and customer retention.
3. Customer Lifetime Value: Analyzing sales by customer helps in calculating the lifetime value of each customer, which is essential for understanding the long-term profitability of individual customers. By identifying high-value customers and investing in strategies to retain and upsell them, businesses can maximize their revenue and profitability over time.