This document discusses qualitative methods in Computer-Supported Cooperative Work (CSCW) research, highlighting their importance in understanding complex human behaviors and interactions within collaborative contexts. It traces the history and evolution of qualitative research in CSCW, emphasizing the shift from traditional lab-centered studies to ethnographic approaches that consider the intricate social and cultural dimensions of work. Key challenges, methodologies, and case studies are shared to illustrate the realities of conducting qualitative research in diverse settings, particularly in light of ever-changing work environments.