LibreOffice 24.8 Help
This opens a submenu to edit axial properties.
The tabs in the dialogs depend on the chart type selected.
Opens a dialog where you can edit the properties of the secondary X axis. To insert a secondary X axis, choose Insert - Axes and select X axis.
Opens a dialog where you can edit the properties of the secondary Y axis. To insert a secondary Y axis, choose Insert - Axes and select Y axis.