You can delegate a task in Outlook by opening the task and clicking on the Assign Task button from the Manage Tasks group on the Task tab. Fill out the Assign Task form or click Cancel Assignment to cancel. Use the Send button to send a completed Task request.
AutoCreate allows you to create a task by dragging an email to the Tasks icon on the Navigation Pane. The AutoCreate function will fill in the fields in the Task form from corresponding fields in the email. The Task can be edited as normal. Use Save and Close in the Actions group to confirm any changes.