The integration uses the ICal standard format for most calendar programs. 

To access the link, open Control Panel > Agency Profile

This will open up the Agency Profile Screen: 

Within the screen, right click on ICalendar Feed

This will open up a small menu, copy link address: 

Copy link address. 

Open Outlook: 

On the menu bar select Open Calendar

This will open a small menu, within select From Internet

This will open New Internet Calendar Subscription. Paste the URL that you copied eariler from your account. 

As seen in example. Then select OK

Microsoft Outlook will request confirmation. Select Yes

The calendar will now be linked. 

Your appointment information will now be accessible from Outlook: