Copy columns from sheet 1 to sheet 2 using column heading as criteria using VBA

Hi Jacc,
. Nice Code.
. ( I think you missed a small bit:

Dim Dump As Worksheet, Output As Worksheet 'Give Abbreviation Methods, Properties of Object Worksheet through .dot
Set Dump = ThisWorkbook.Worksheets("Dump"): Set Output = ThisWorkbook.Worksheets("Output")

Alan