Aspose::Words::Saving::OoxmlSaveOptions::get_SaveFormat method. Specifies the format in which the document will be saved if this save options Object is used. Can be Docx, Docm, Dotx, Dotm or FlatOpc in C++....saved if this save options object is used. Can be Docx , Docm...property of the SaveOptions object to "OoxmlCompliance.Iso29500_2008_Strict"...