The first thing Ryan should do is to: C. format the text file with comma-separated values and save as CSV file type.
A file simply refers to a computer resource that avails end users an ability to store, save, or record data as a single unit on a computer storage device.
Since the list of contacts is contained in a simple text file, formatting the text file with comma-separated values and saving it as a CSV file type should be the first thing Ryan should do in this scenario.
Read more on CSV file here: https://brainly.com/question/14338529
#SPJ1