It’s a flat file of data, each entry separated by a comma. Now, some applications make it possible to export a file to CSV format. Even Google Docs allows for such an action with Sheets.

It used to be easy to analyze your Twitter data: you'd go to your settings and ask for a download, and there among all the files would be a CSV file full of your tweets and the associated metadata.

A CSV file is a “comma-separated values” file. In plain English, this is a text file that contains an unusually large amount of data. More often than not, this is used in order to create ...