outlook email

hello i have outlook 2007 and i am receiving email from hotmail to my outlook is there a way to stop it? i havent installed the outlook connector or anything. the thing is in my house i used to have outlook connector installed in my outlook 2007 but in te office i do not have it installed but i do get my personal hotmail emails to my outlook 2007 in my office as well, ahny ideas outthere thank you