Meeting Room Calendar in Outlook

Below method will guide you how to check Meeting Room Calendar in Outlook 

Open Outlook 

Select File > Open & Export > Other User's Folder 

Once you have select Other User's Folder , it will prompt for the below box

Select Name of the Meeting Room and Folder type to : Calendar and click OK

It will launch the calendar Meeting Room 1 in Outlook Calendar Tab ​as below.

You will able to View who booked the meeting room in future