“Application.Calculation = xlCalculationManual” statement causing run-time error 1004 in VBA Copy-Paste procedure

Question

I have VBA code that copies the first row and pastes the values to multiple rows. The below code runs fine and pastes the rows as expected:

Sub Macro1()
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Answer 1

You are changing the focus between the copy and the paste. When you do that Excel loses the copied data, giving you the error when you try to Paste. The same thing would occur if you tried to do that from the worksheet, in that order.

Excel doesn't really use the system clipboard, like other programs. I believe this has to do with issues having to do with changing cell references in the copied data.

You could try using the Office Clipboard if you only want to paste the values, but there's no VBA support for that of which I am aware, in recent versions of Excel.

You might find this response of interest. It references a comment by an Excel developer Prevent Excel from clearing copied data for pasting, after certain operations, without Office clipboard