If you've encountered a CSV file and you're unsure what they're for, the good news is they're pretty straightforward and easy-to-use with apps you already know.

You can convert JSON files to Microsoft Excel CSV file formats using this hidden built-in feature. We show you how to do it.

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.

How to convert an XLS file to CSV Let’s say you have the file clients.xlsx and you need it converted to clients.csv to be then uploaded as a client list in your new CRM tool.