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var
filename : string;
exlApp : Variant;
begin
if OpenDialog1.Execute then
begin
filename := OpenDialog1.FileName;
exlApp := CreateOleObject('Excel.Application');
exlApp.visible := False;
exlApp.workbooks.open(filename);
Edit1.Text := FloatToStr(Double(exlApp.workbooks[1].sheets[1].cells[2,1]));
exlApp.activeworkbook.saved:=True;
exlApp.activeworkbook.close;
exlApp.quit;
exlApp:=Unassigned;
end;
end;