This article presents and discusses the method of micro-phenomenological self-inquiry. Micro-phenomenology is usually performed with two persons, one interviewer and one interviewee. Micro-phenomenological self-inquiry consists of one person investigating their own experience. The different aspects of the regular micro-phenomenological interview are reviewed in relation to the process of self-inquiry. Examples of recent studies that apply micro-phenomenological self-inquiry are presented. Finally, there is a discussion of some methodological problems and objections. Advantages and disadvantages of micro-phenomenological self-inquiry are considered. Suggestions are given (...) for what kind of research and research contexts that micro-phenomenological self-inquiry may be particularly suitable for. (shrink)