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Editorial Team
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Asked: 2026-05-13T21:32:59+00:00

I am trying to open excel 2003 workbook and save it as something else,

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I am trying to open excel 2003 workbook and save it as something else, for example excel 95.
I use the following code:

XLSApp:=TExcelApplication.Create(Self);
XLSApp.Workbooks.Open(SomeFileName,NULL,false,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,defaultlcid);
XLSWB:=TExcelWorkbook.Create(XLSApp);
XLSWB.ConnectTo(XLSApp.Workbooks.Item[1]);
XLSWB.SaveCopyAs(ExtractFilePath(edTable.Text)+'temp.xls');
XLSWB.SaveAs(SomeOtherFileName,xlExcel7,EmptyParam,EmptyParam,False,False,xlNoChange,xlUserResolution,False,EmptyParam,EmptyParam,EmptyParam,DefaultLCID);

Unfortunately this code gives “Ole 800A03EC” on clients computer, while it works on mine. Note that I have Office 2007 installed, and he has Office 2003 SP3.

Any help would be very much appreciated.

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1 Answer

  1. Editorial Team

    I have seen this error once when automating Excel. It happened when the user had a cell in editmode and you tried to automate that instance. Excel doesn’t like it when you are editing a cell and some program is fiddling around in the background.

    So this is what’s happening at your client (I think):

    • Your client has Excel open and is
      editing a cell (select a cell and
      press F2)
    • Your code starts:
      • You create a TExcelApplication and accesses the Workbooks property. Since your Excel application is not yet connected it calls TOleServer.Connect (look at the implementation of GetDefaultInterface)
      • Since the default connectkind is ckRunningOrNew, TExcelApplication connects to the running instance.
      • Because the client is editing a cell you get an error on the Open method.

    How you can prevent this: Set ConnectKind of your TExcelApplication to ckNewInstance so you’ll always work in a separate Excel instance.

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