There are different ways to repeat existing resource bookings.
Copy bookings
To copy a booking right-click on the booking and select 'Copy to clipboard'. In the cell where you wish to create the additional booking right-click and select 'Paste copied booking'. You can copy the same booking as many times as you wish until you select the option to clear the clipboard. The option to dismiss closes the menu, or you can click out of the menu - both actions still retain the booking in the clipboard until you clear the clipboard.
Create recurring bookings
To use this feature first create a booking and then right click that booking. Select ‘Create recurring events’.
You can create recurring bookings based on the booking you originally selected. Various options are available:
These events are then linked, so if in future you wish to delete one you will be given the option to delete all at the same time.