Deduplication is the process of identifying and merging or removing duplicate records in a CRM database to maintain accuracy and consistency. Duplicate entries often arise when multiple sales reps input the same contact details or when customer data is imported from various sources without proper validation. These duplicates can lead to inefficiencies, such as redundant outreach, incorrect reporting, and wasted marketing spend. CRM systems use automated deduplication tools to detect similar records based on matching criteria (e.g., email address, phone number, or company name). Some systems allow manual review before merging records to prevent accidental data loss. Regular deduplication efforts improve CRM usability, enhance data integrity, and ensure that sales and marketing teams work with the most accurate and up-to-date customer information. By eliminating unnecessary duplicates, organizations can improve customer experience, reduce errors, and optimize operational efficiency.