CSV files contain data in plain text, which means that the CSV files do not contain style elements like fonts nor does it contain images or active links. They are useful for doing things like ...

Probably not massive by some people's standards, but dealing with 100-200mb csv files, ... Good god, don't use a text editor. Use openrefine, it is literally designed to do what you want.

And that’s how we can manipulate XLS, JSON, and CSV files with csvkit. This tool might not be used very often, but when you need it, you’ll be happy it’s around.

And with macOS Monterey, Apple added a simple, universal CSV (plain text, unencrypted) import and export feature that’s widely supported in other password managers like Bitwarden, LastPass, and ...