Thank you for the hint, I missed to click “Convert to Google workspace file type” in Upload file (that box was not visible in the version used in video => possible to mark it in G-drive Settings I also noticed). Now it works
Your welcome. glad to know that you have resolved the issue.
you have to reply in the forum alone no need to reply in gmail. while creating your forum account you would have mention your gmail account is your contact email that’s why you are receiving the responses to your gmail that is only for informative purpose. thanks again and welcome to UiPath forum.