Excel macro to highlight all cells that match value in current cell

Question

I\'m looking for a macro that will automatically highlight any cells in the current worksheet if the value of those cells is the same as the currently-selected cell. So if c

Answer 1

@Reafidy provided a good macro and this will do the same with conditional formatting

Sub HighLightCells()
ActiveSheet.UsedRange.Cells.FormatConditions.Delete
ActiveSheet.UsedRange.Cells.FormatConditions.Add Type:=xlCellValue, Operator:=xlEqual, _
    Formula1:=ActiveCell
ActiveSheet.UsedRange.Cells.FormatConditions(1).Interior.ColorIndex = 4
End Sub

Put this in the sheet selection change event

Private Sub Worksheet_SelectionChange(ByVal Target As Range)
 call HighLightCells
End Sub