How to create a new translation: - Add "TRANSLATIONS += language.ts" to vba-m.pro - Call "lupdate vba-m.pro" to create the .ts file - Edit & translate the .ts file with the "Qt Linguist" tool - Call "lrelease vba-m.pro" to create the compiled .qm file - Load the language file in the application: << QTranslator translator; translator.load( "language" ); // without .qm ending >>