A 90-day review is a performance appraisal process held after an employee spends at least three months on the job to evaluate the employee's performance against initial job expectations. It is often conducted as a one-on-one employee review between a manager or a supervisor and the employee.
In such a case, a 90-day review meeting is often conducted as a one-on-one meeting between a manager or a supervisor and an employee who recently joined the company.
