Hi @Anonymous,
I think there is something wrong with the operation that you have done.
If you want to import PowerApps app using Import package option within your PowerApps environment, you must provided a PowerApps app package file that generated from the Export package option within your PowerApps:
In addition, the file structure of the PowerApps app package file generated from the Export package option as below:
But the composite controls package file is consisted of a lot of .msapp files (PowerApps file), the file structure of it as below:
If you want to open these .msapp files, please take a try with following steps:
- Unzip the CompositeControls.zip file into your local folder.
- Open your PowerApps Studio, then click Apps->"Create an app".
- Within left side menu, click "Open"-> "Browse", then find the unzipped folder (within step 1), select the .msapp file that you want to open:
Best regards,
Kris
