This guide provides a concise, user-friendly introduction to navigating and using The Carpentries Slack group, with a focus on three key areas: configuring your account, adjusting notification settings, and communicating effectively with others. Designed especially for newcomers or those feeling overwhelmed by Slack, the guide walks users through setting up a profile, managing their status, discovering and joining channels, controlling notification preferences, and adhering to communication etiquette. It emphasises creating an inclusive, respectful environment aligned with The Carpentries’ Code of Conduct. The content is adapted from the Center for Scientific Collaboration and Community Engagement’s “Slack quick start guide” by Lou Woodley and Katie Pratt (DOI: 10.5281/zenodo.3763730), and is shared under a Creative Commons Attribution 4.0 license.