Typically when running the Excel Uploader with an Excel file, it always creates new materials from each row of input. However, this raises a question of what if the material already exists within our project and we just want to add more characteristics to it. For that instance we can use the existing column withing the CRIPT Excel File. Two good example of it being used can be found below. You can learn more about the Excel Uploader existing field from the Excel Uploader documentation.