Y-Z Axis inverted

Why Y and Z axis are inverted from any 3d model software such as 3ds, Rhino or autocad? There is possibility to change direction? It is important when I will import model from array of point...

Simple Answer: Unity uses the axis left-handed, the most 3d programs have their axis right-handed. So, you have to invert the axis in your model program. I don't know if there already exists another method.

Addition to @ShadowBroker:

Don't invert the axis in your model program, but do this in your exporter.