Change Default File Names?

For example, when I make a new material, it gets the name NewMaterial. And when I make an instance of it, it gets the name NewMaterial_Inst.

But the convention for UE4 is usually **M_New **and MI_New. Oddly, this isn’t applied to the editor by default. Why not? And how can I apply that convention to my editor?

Is this actually possible? To change the default naming conventions of newly created assets?
Anybody knows?