As a Power BI Developer, many of us have had to take ownership of a report that we didn't author, often with little to no documentation! This session will provide a best practices toolset to help audit, repair, and optimize the PBIX file. You will learn how to identify common pitfalls in: Power Query queries, modeling, relationships, DAX, and report design. The resulting report will have a reduced file size, load and calculate faster, and provide a cleaner U/I experience for end-users.