在Excel 2013中执行宏后删除列。

I have written macro to import three columns from csv file to excel file which has 4 columns. 1 column is formulated based on 3 coming from csv file. So before running macro, there is excel file with 3 blank columns(not even column name) and 4th column with default values. Now when I run the macro, 3 columns are getting imported frm csv but 4th column is getting deleted.I don't know why this is happening. I have used Record Macro functionality to create macro. Below is my macro code: I have written macro to import three columns fr