If you plan projects, need to track progress or regularly recurring items it can be very useful to see week numbers in your calendar. To add them to your Outlook 2013 calendar do the following:
- Go to File, Options, Calendar
- Under Calendar Options, scroll down to the Display Options section
- Tick the check box option to “Show week numbers…”
- They will appear in your month views and in other views if you have the Date Navigator up.