Hey @Sebastian_Crohare
It’s should be possible to upload an Excel file directly to Data Service using the File Uploader control, without needing a robot for the upload itself.
However, the App cannot read the file contents or perform validation on its own. To process and validate that Excel data, a robot is still required.
This process can be initiated from within the UiPath Apps application - for example, triggered from within the App after the user submits the file.
Example:
