Is there any way to stop all the **** emails I am getting?

I get emails from express **** for viagra and ****, from women with all different names offering ****, and today I got four emails from guaranteed ****. They all go into my junk mail, but I don't even want to see these things. I started getting this stuff when I was automatically changed from hotmail to outlook and when I changed back they just kept coming. Have no idea whether the change had anything to do with it or if it was just a coincidence. There must be something I can do. Thanks.