This 6-step document provides guidance on using WhatsApp to connect with diverse communities for communication and outreach purposes. The 6 steps are: 1) Find how your audience communicates; 2) Talk to people in their language; 3) Use WhatsApp effectively for tasks like crowdsourcing, building community, and organizing; 4) Give people a reason to get involved by sharing local voices and stories; 5) Get creative in your approaches; and 6) Review your progress and results. The document advocates using WhatsApp as it has over 2 billion users worldwide and is popular in Latin American communities, and provides examples of how organizations have benefited from increased trust, support, and two-way dialogue through WhatsApp