Learn how to import or export data from a Text file to convert a Text (.txt or .csv) file into an Excel (.xlsx) spreadsheet easily using this procedure.

Learn how to merge multiple CSV files into one Excel sheet. You can combine or join more than one CSV file into one Excel Worksheet.

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 ...

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