Getting viable data from an Excel workbook into Power BI for data visualization purposes takes some specific preparation. Here is what you need to do.

Use Excel’s “Get Data from Folder” feature to import and combine multiple trial balance files into a single query. Clean and transform data using Power Query to prepare it for analysis.

Highlighting or even deleting duplicate records in Excel is simple but listing them isn't as easy. Fortunately, you can use Power Query to easily display a list of duplicate values or records.