A PBIX file is a document created by Power BI Desktop, a Microsoft application used to create reports and visualizations. It contains queries, data models, visualizations, settings, and reports added by the user.

PBIX file open in Microsoft Power BI Desktop 2 The PBIX file is the primary file type created by Power BI Desktop along with the .PBIT template. The file is used to store all of the data visualization information. You can create the PBIX file by selecting File → Save or File →Save As. PBIX files are saved in the Office XML format, which is used to save .DOCX, .XLSX, and .PPTX files. The format stores a PBIX file as a collection of files and folders in a compressed zip package. If you need to manually view the contents you can rename the ".pbix" extension to ".zip" to create a .ZIP file and then extract the contents of the file. Power BI Desktop is a data visualization program typically used for business purposes. The application allows you to connect to data sources such as XLSX, .CSV, and .XML files or SQL server, Access, and IBM databases. The program can also connect to a variety of online services including SharePoint, Salesforce, and Google Analytics. After connecting data sources, you can combine and shape the data and build reports. You can customize the visualizations of reports, which includes the graph type, colors, and filters. When you save all this information, Power BI Desktop stores it in the PBIX file.