QuarkXPress PDF Specifications | GWG 1v4

QuarkXPress is the leading graphic design and page layout software for creative professionals.
QuarkXPress versions 7 thru 10 solely support GWG 1v4 settings (based on PDF/X-1a). QuarkXPress versions 2015 thru 2018 support GWG 1v4 settings (based on PDF/X-1a) and GWG2015 settings (based on PDF/X-4 with native transparency). Quark recommends using GWG2015 settings. Please make sure that you are always using the latest subversion of the version you are using.