This paper presents a summary of this issue of the Oxford Review of Economic Policy, on microfinance. The paper explores the evolving landscape of microfinance, with particular emphasis on its broadening scope. It summarizes the four parts of this journal issue, focusing on: (i) microfinance and its providers; (ii) the challenges of taking microfinance to scale; (iii) microfinance and digital credit; and (iv) microfinance and repayment flexibility.