Customer Relationship Management (CRM) digital transformation is a crucial aspect of modern business operations, especially in overseas store markets. In this article, we will delve into case studies and practical discussions on customer service optimization in the context of CRM digital transformation. In today's globalized world, businesses are expanding their operations to overseas markets to tap into new customer bases and increase their revenue streams. However, managing customer relationships in these markets can be challenging due to cultural differences, language barriers, and varying customer preferences. This is where CRM digital transformation plays a vital role in streamlining customer service and optimizing the overall customer experience. Case studies from leading companies in the retail, hospitality, and e-commerce sectors demonstrate the impact of CRM digital transformation on overseas store markets. These case studies highlight how businesses have leveraged digital tools and technologies to gain a deeper understanding of their overseas customers, personalize their marketing and sales efforts, and deliver superior customer service. Practical discussions on customer service optimization in the context of CRM digital transformation focus on the key strategies and best practices that businesses can adopt to enhance their customer relationships in overseas store markets. This includes the use of data analytics to gain insights into customer behavior and preferences, the implementation of omnichannel communication platforms to engage with customers across different channels, and the adoption of AI-powered chatbots to provide real-time support to customers. Furthermore, businesses are also exploring the use of CRM digital transformation to integrate their customer service operations with other business functions such as sales, marketing, and supply chain management. This integrated approach allows businesses to create a seamless and consistent customer experience across all touchpoints, regardless of the geographical location of their customers. In conclusion, CRM digital transformation is a critical enabler for businesses operating in overseas store markets to optimize their customer service and drive business growth. By leveraging digital tools and technologies, businesses can gain a deeper understanding of their overseas customers, personalize their interactions, and deliver superior customer service. Case studies and practical discussions provide valuable insights into the strategies and best practices that businesses can adopt to succeed in their CRM digital transformation journey. As businesses continue to expand their operations globally, CRM digital transformation will play an increasingly important role in shaping the future of customer relationships in overseas store markets.