James Bartlett solves a tricky problem:
Most of you have probably run into a situation where someone in your organization has authored a report in the Power BI web service, and now they want to make changes that can only be done with Power BI Desktop. So, you try to download the PBIX file from the Power BI web service, only to discover that you can’t, because if it wasn’t created as a PBIX, it can’t be downloaded as a PBIX. Infuriating!
Read on for a solution as well as a Powershell function to make it easier.