Microsoft Store/Game Pass version
C:\Users\your_username\AppData\Local\Packages\Microsoft.FlightSimulator_8wekyb3d8bbwe\LocalCache\Packages\Official\OneStore
Steam version
C:\Users\your_username\AppData\Roaming\Microsoft Flight Simulator\Packages\Official\Steam
Retail disc version
C:\Users\YourUsername\AppData\Local\MSFSPackages\Official
CUSTOM INSTALLATION PATH
If you have installed the packages on a different drive than C: you'll need to look inside your custom installation folder instead.
Search for 3rd party packages (example: carenado-aircraft-wymf5, aerosoft-paderborn etc...)
Delete the package folders
