You don't necessarily need Microsoft Excel to work with an .xlsx file Reviewed by Ryan Perian This article explains what XLSX ...

CSV, or Comma Separated Values, are files used for all kinds of things, from managing large datasets to exporting data to move it between web services. You might think CSV files are just spreadsheets, ...

If you often use a computer for work, you've probably encountered some .csv files as part of your daily grind. On the surface, they may seem like a strange alternative to the far more well-known .xlsx ...