QRC - Qt Resource Collection File
This is an XML file used by software created with Qt which is a cross platform application development toolkit. It can contain a list of application resources like images files which are included as part of the full application bundle when the Qt application is compiled. Qt application use these QRC files to locate resources that are part of the application bundle when the application is executed. QRC files also contain the directory path references which are relative to the directory where the QRC is contained.