I have some 50 excel files which contains say 10 columns in each xls. From these 50 xls files, I want to generate a single xls report which contains say only 5 columns data from each 50 excel files. i.e., some data (say Col A, B, C, D, E, F...) from 50 excel sheets to be extracted to single report (say Col A, D, E only) with single worksheet only...