Origin Version (Select Help-->About Origin): 7.5 student version Operating System:windows XP I have bunch of data files. Each contains 3 coloum data set. In the begining of each data file there are not fixed number of commets lines. Each of theses lines starts with '#'. Origin data sheet is not capble of understanding this. I am a new bee to this lab talk. Can some one tell me how to omit this comments and make 3 coloum data set. Also I don't want to change my data files. as you guess the comments have some meaning