To keep the person who assigned the task informed, you can send the status report once a while. Please follow the steps below:
Step 1: Click the "Tasks" button in the taskbar;
Step 2: Double click the task you want to send the status report;
Step 3: In the "Task" window, click the "Send Status Report" from the Ribbon;
Step 4: In the Message window, type the email address in the "To" box and type the explanations in the text box;
Step 5: Click "Send".