XML file used by programs created with Qt, a cross-platform application development toolkit; contains a list of application resources, such as image files; included as part of the application bundle when the Qt application is built. Qt applications use QRC files to locate resources in the application bundle during execution. The paths of files referenced in a QRC file are relative to the directory in which the QRC file is located.
Application component used by QuarkXPress, a program used to create professional page layouts and publications; stores required functionality for the application, such as color management, spell checking, and exporting components. Required components may often be extended using QuarkXPress "XTensions," which are stored in .XNT files. The QRC files installed with QuarkXPress are located in the /Required Components/ directory of the software installation.