There is an option in the Events Calendar App for user to be able to add specific events into their Outlook Calendar. Here is how you add that setting:
From your Event’s Calendar App, click on Toolbox
Click on App Admin
From the Menu items, click on Manage Categories
Click on the Category, you would like to enable the Outlook function
Lastly you will need to check Enable Add to Outlook feature [only applies to users logged in]
You can now add specific events to your Outlook calendar by clicking on this icon.