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The Simplest Ways to Open, Edit, and Convert XLSX Files

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

How to convert XLS and JSON files to CSV in Linux with csvkit

How to convert XLS and JSON files to CSV in Linux with csvkit Your email has been sent Sometimes you just need a quick means of converting a spreadsheet to a comma-separated values file. When you ...