An appraisal letter is a formal document issued by an employer to an employee, summarizing the results of a performance review. It includes feedback on the employee’s work performance, achievements, strengths, and areas for improvement. The letter often outlines specific goals, provides ratings or evaluations, and may include recommendations for career development or salary adjustments. It serves to formally communicate performance outcomes and set expectations for future performance. The tone is constructive, supportive, and professional, aiming to motivate and guide the employee.