Step 1: Navigate to the Employee List section. Beside the Search bar, click the Filter Button

Step 2: It will show you a list of Categories for filtering:
            a. Company
            b. Department
            c. Position
            d. Location
            e. Employees
            f. Include Resigned

Step 3: Choose a Category then select from the list of items under the chosen category

Step 4: If you want to filter and show the resigned employees, check the Include Resigned checkbox

Step 5: Click Generate, it will show you list of Employees based on the chosen Filter