បញ្ជូន​ទៅ​ក្រោយ

Choose Format - Arrange - Send Backward (Collabora Office Writer, Collabora Office Calc).

Choose Shape - Arrange - Send Backward (Collabora Office Draw).

+សញ្ញាដក(Collabora Office Impress, Collabora Office Draw)

Open context menu - choose Arrange - Send Backward (Collabora Office Impress).