A performance appraisal is a regular evaluation of an employee's work performance and overall contribution to an organization. A yearly review, performance review or evaluation, or employee appraisal evaluates an employee's abilities, accomplishments, and growth—or lack thereof. Performance Appraisal is a very important tool for HR to maintain transparency. This helps both the employees and the company. The performance appraisal process should be internal and external, but it’s more practical to have only internal appraisal because of its direct benefits over the employees.