In the column header, select the number of columns that you wish to add to your excel sheet, if you want to add 2 columns then select two columns, right click and choose Insert, you will find 2 new columns added to your spreadsheet.
In the column header, select the number of columns that you wish to add to your excel sheet, if you want to add 2 columns then select two columns, right click and choose Insert, you will find 2 new columns added to your spreadsheet.