How much of your monthly Excel reporting can be automated? Comparing Excel functions, Power Query, and Python

At the end of the month, you open multiple Excel files, copy sales data, sum it up by department, and compare it with last ...

Is a DIY tool okay as long as it works? How to determine the necessary tests in 4 stages before using it for business

I made an Excel macro. I was able to aggregate CSV files using Python. Someone at the office said, "That looks useful, let ...