Use this code
Double click the cell in sheet2 to copy cell value in sheet 1 in first row
Change the code as needed
Private Sub Worksheet_BeforeDoubleClick(ByVal Target As Range, Cancel As Boolean)
q = ActiveCell.Value ' get value from active cell in sheet 2
Sheets("sheet1").Activate ' Select sheet1
ActiveCell.Offset(rowOffset:=0, columnOffset:=1).Activate 'Next column in Sheet1
ActiveCell.Value = q ' Copy cell in sheet 1
Sheets("sheet2").Activate ' Select sheet 2 again
ActiveCell.Offset(rowOffset:=0, columnOffset:=1).Activate 'Select next cell in sheet 2
End Sub
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