Access data and metadata from 'Microsoft' 'Power BI' ('.pbix', < https://powerbi.microsoft.com>) documents with R. The 'pbixr' package enables one to extract 'Power Query M' formulas (< https://docs.microsoft.com/en-us/power-query/>) and 'Data Analysis Expressions' ('DAX', < https://docs.microsoft.com/en-us/dax/>) queries and their properties, report layout and style, and data and data models.