This Section is for Outlook Website and Outlook Desktop (New Outlook)

1. Navigate and open outlook on the website (browser) or desktop (application) 
2. Navigate and select the calendar icon on the left section of your screen.
3. Select the button that says “Add Calendar” 
   1. 
4. A smaller window will appear. From here select "add from directory". Under Individual Calendars, there will be "Enter a name or Email address". Here you will get suggestions or you can type in any name or Email address.
5. Search for the calendar you would like to open and select it from the drop-down that appears as you search.
6. If you have permissions to view the calendar, the events will appear on your calendar( (in a different color) and a tab will appear on the left hand side menu bar. This is for Outlook Desktop

This section is for Outlook Desktop (Classic Outlook)

1. How to know if you are in classic Outlook, look at the top right corner, if "Try the new Outlook" is OFF, then you are in Classic Outlook. If you see "New Outlook" ON, simply turn it off and you will be in classic Outlook, it will ask for feedback, but you can skip or give feedback. 
2. Look on the left panel and click on calendar.
3. Look on the top row (ribbon) and click on "+ Add"
4. A drop down menu will appear, from here choose a source, the common one is Address book.
5. Next, in the search bar, type out a name.
6. Once you have found the person you are looking for, click on their name and hit OK.
7. Once that is done, you will now see them under "Shared Calendars"