Microsoft and other software developers have spoiled us over the years, with being somewhat consistent in what certain functions do. For example, right-clicking text in Word gives you several options, including copying and pasting your text.
If you have ever tried to do this in your Outlook Calendar however, you will find that copy is missing from the right-click menu. If you left-click and drag an appointment on your calendar it moves the appointment. So, how do you copy an appointment?
You can click on the appointment and use Ctrl + C to copy it, then Ctrl + V to paste it where you need; or you can right-click and drag the appointment where you need to have it. You are then given the option to copy or move the appointment.