Excel - Make the sum of two columns in 3 ways

I have scenarios like:

  1. Create a workflow that adds the values on column A with values on column B and writes them in column C in different ways
  2. Keeps the excel open and writes the results in real time, row by row so we can see the changes
  3. Keeps the excel closed, set the column values in the memory DataTable and adds all the table to the excel file at once, in the end
  4. Calculates the SUM by using excel formulas

please provide me a solution

Hi @praveenM1,
There are a lot of similat topics: