You can also manage room allocation directly in the timetable window. Open the schedule/delete room dialogue using the <Schedule/Delete this room>button. You will see the rooms you entered for lessons and rooms available for scheduling on the right. Select a room and click on the <Assign room> button. You can delete a room that has already been assigned with <Delete room>.
Checking option 'Display occupied rooms' will display all currently occupied rooms. If you wish to assign one of these rooms you can
•force a lesson currently scheduled in the room from the room
•create a room clash or
Assigning rooms in the overview timetable for rooms
You can move or swap rooms quite easily using drag & drop in the overview timetable for rooms. The example in the figure shows the teacher Newton's lesson being moved from room R1b to the physics lab.