Competitive Upgrade Gives Users of Alternative Design Software Even More Reasons to Switch to QuarkXPress 2017 Denver, CO, Oct. 04, 2017 (GLOBE NEWSWIRE) — Quark announced today that, due to popular demand, the QuarkXPress 2017 Competitive Upgrade offer has been extended until December 31, 2017. For a limited time, InDesign®, Photoshop®, Creative Suite®/Creative Cloud®, CorelDraw®, […]