Unable to Sign into Organization Account I am trying to get refresh data, data resides in the MS Teams and its an excel file, so when i try to fresh data using Organizational Account credentials ...
To close out the adventure, I downloaded the required version of Microsoft.Web.WebView2 from NuGet, unpacked (it is a zip file), and copied the two WebView2 DLLs to the Power BI bin folder. That worked, astonishingly. I can now connect via SSO to SharePoint and update from my Excel data source.
The needed package is here: https://www.nuget.org/packages/Microsoft.Web.WebView2/1.0.664.37. Click Download Package on the right.
Power BI (64 bit) is in C:\Program Files\Microsoft Power BI Desktop\bin
The DLLs Microsoft.Web.WebView2.Core.dll and Microsoft.Web.WebView2.Winforms.dll need to be copied from the package to the bin folder above.