This Guide provides data management best practices, policy compliance information, a library of useful tools, and step-by step procedures for submitting data to USAID’s Development Data Library (DDL). Designed to be easy to read and follow, the guide will enable food, nutrition and livelihood security practitioners and other stakeholders to strengthen their internal data management systems, maximize ways that data and information can be utilized strategically to improve program quality, and ultimately support USAID’s commitment to the value of open and shared data.