You have Facebook friends. You have Gmail contacts. Never the two shall meet? Bah. Here’s an easy way to export your list of Facebook friends and then import them into your Gmail contacts list.

Gmail offers a dedicated import tool for mail and contacts, but it cannot import the other data included in a PST file, like calendar appointments.

What makes a CSV file unique is the way its content is organized. Here's what you need to know about CSV files and how to use them.