I have MS Office 2004 running on my Macbook. And somehow I have made it so that if I go back into the text paragraph to add a sentence or word, it deletes the words after it, making it that I have to re-type anything that follows. This is somewhat time consuming when I am trying to take notes. I must have pressed a button because it wasn't always like this, would someone be able to help me and let me know how to get it back to normal? Thanks so much!