If you've encountered a CSV file and you're unsure what they're for, the good news is they're pretty straightforward and easy-to-use with apps you already know.

Importing CSV Files into OpenOffice Launch OpenOffice, click "File" and choose "Open" from the menu to display the Open window. Select the CSV file and click "Open" to display the Text Import window.

This post will show you how to open CSV files in Python using the CSV module. You'll also learn another method + how to write CSV files!

Just curious - what recommendations do people have for an app that can handle large spreadsheets/csv files? Probably not massive by some people's standards, but dealing with 100-200mb csv files ...