Adding a calendar in Outlook will also add it in OWA
Step 1: Launch Microsoft Outlook
Step 2: Open the Outlook Calendars
In the bottom left corner select the Calendar icon
Step 3: Open the Room Calendar List
In Outlook select the option for Add Calendar in the menu bar
From the drop down list select From Room List...
Step 4: Find the Room Calendar
Select the calendar you want to add and then select OK
Step 5: View the Calendar
The room calendar will now be listed under Rooms
Click the check box to view the calendar
To Remove the Calendar
To remove the calendar, right-click on it and select Delete Calendar