1.Select the division that you would like to edit. You can simultaneously select the divisions for several axes and the color legend by holding down the CTRL key. Select all divisions of the diagram by holding down the ALT key.
2.You change the length of the division dashes by specifying a different value in the field under Format[Measures] > Width.
3.You can change the division type by clicking on the corresponding icon under Format[Alignment]. For instance, click on 
to set divisions, depending on the axis orientation, to Left (Y Axis), Bottom (X axis) or Outside (3D Axis).