Outlook

Appointment Creation - Immediately create an appointment, from an email message, by clicking Ctrl, Alt, and the letter R.

Note: Prefer to drag and drop? Drag a message from your inbox to the calendar icon to automatically create a new calendar appointment based on the email message.

Rules - Use Rules to have messages automatically moved in to a specific folder, play a sound upon delivery, or other things based on a specific sender.

Calendar View - View multiple calendars at once. Open more than one calendar and then click on the arrow to "merge" them into one color-coded view.