Field Data Validation is a CRM function that ensures data entered into customer records meets predefined accuracy criteria. Validation rules check for correct formats, required fields, and duplicate entries, preventing inaccurate or incomplete records. AI-powered CRMs use machine learning to detect anomalies, auto-correct errors, and prompt users for missing information. Proper field validation enhances data integrity, reporting accuracy, and compliance with industry regulations. Businesses using field data validation improve decision-making, reduce manual corrections, and streamline data entry processes.