PsSaveOptions.useBookFoldPrintingSettings property. Gets or sets a boolean value indicating whether the Document should be saved using a booklet printing layout, if it is specified via [PageSetup.multiplePages](../../../aspose.words/pagesetup/multiplePages/)....the Postscript format in the form of a book fold. let doc = new...converts the document to PostScript. // Set the "UseBookFoldPrintingS"...