To add to your outlook web, follow these instructions:
Log into your Office 365 account. (go to www.office.com or outlook.office.com/calendar)
- Open your Outlook Web calendar.
- On the left side, click "Add calendar"
- On the left side, click "Add from directory"
- Click on the line that says "Enter a name or email address", then type "GB Store" and wait a few seconds.
- The "GB Store Conf Room calendar" should appear in the pick list.
- Select that calendar.
- Select where you want to "Add to" for the calendar groups, such as "Other calendars".
- Click "Add"
You should have it in your list of calendars.