Just to add my little contribution 
use Win32::OLE::Const 'Microsoft PowerPoint';
$Presentation->SaveAs("$outfile", ppSaveAsPDF, 1);

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HIH

In reply to Re^4: Win32::OLE Powerpoint ExportAsFixedFormat syntax help by karl.pl
in thread Win32::OLE Powerpoint ExportAsFixedFormat syntax help by golemwashere

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