This document discusses open access in academic research. It defines open access as research that is available online for free, and traces the history of academic publishing, which was traditionally based on a subscription model. The document notes that open access is growing in momentum due to funder and institutional policies that promote wider dissemination and use of research. It outlines green open access routes of depositing work in repositories, and gold open access of publishing in fully open access journals. The document provides examples of funder open access policies and guidance on how to publish work openly and find open access articles.