How to update a specific column with a specific row in a existing dt?

Hello yes like my header said, I have a existing excel sheet with different columns. I am using a for each row to extract some information on those columns and perform actions, but i have one column open called status, i want to update this as i proceed deeper in my work flow. so when i first extract information from a row i want to insert a message in the status column saying in progress04-22-2020 PDF.xlsx (20.1 KB)