Increase VBA performance

If your macro include code to make many change in sheets, document, jumping in/out of them then you need to consider to turn off screen update to turning performance of your code. Consider following snip-set example. Comment out the red line to see the effect

Sub myMacro ()

    On Error Goto errLabel
    Application.ScreenUpdating = False

    for i =1 to 1000 

        With Sheets("Sheets1")
        End With
        With Sheets("Sheets2")
        End With

    Application.ScreenUpdating = True
    Exit Sub

    MsgBox "System stop processing with error: " & Err.Description, vbOKOnly + vbCritical,"HotIce Soft"
    Resume exitLabel
    Resume Next
End Sub

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