Click into the List View. To the right-hand side find the 'Export' button.
Depending on what you are exporting for, it can be useful to filter your data first. For example, filter to all user bookings for the month of November.
You can choose to export in either Excel (XLSX) or CSV format. The exported data provides the total number of minutes per booking, which is very handy if you are looking to total usage by space, user or month.