Part Two of this three-part article covers how to import your Outlook contact list—the CSV file—into Excel, then how to refine, maintain, and manage that database so, in Part Three, you can ...

Normally, VLOOKUP retrieves this data from cells within the spreadsheet. But Excel can import its data from other files as well, including comma separated value (CSV) files.

Twitter used to provide CSV exports of your data, now it's all in machine-readable JSON. How can you use it in Excel?