This User's Guide is a description of the Nordic Questionnaire for Monitoring the Age Diverse Workforce (QPSNordic-ADW), its contents, measurement characteristics and its potential use as a research tool and especially as a survey instrument in a survey feedback process. The QPSNordic-ADW can be applied as a research method or as a survey feedback instrument in organization development: to provide a basis for implementing organizational development and interventions, for research into associations between work and health, and for documentation of changes in work conditions. The QPSNordic-ADW is available in English, Finnish, Danish, Norwegian and Swedish. All the different language versions of the questionnaire are included in this report, as an appendix.