Room mailboxes are still heavily used for in-person meetings. It’s good to know how often and when rooms are used, which is why we have the room mailbox report script. In the second version of the script, we include code to figure out the daily usage pattern of individual rooms and for all rooms across the organization. The graphics in our bar chart are crude, but the chart is generated with a few lines of PowerShell, so feel free to improve the script.
https://office365itpros.com/2023/02/10/room-mailboxes-usage-pattern/
