CSV vs Excel: main differences
CSV and Excel are both used for tabular data, but they work in very different ways.
What is a CSV file?
A CSV is a plain text file where values are separated by commas, semicolons or tabs. It is lightweight and widely used for imports and exports.
What is an Excel XLSX file?
An XLSX file can contain sheets, formatting, formulas, filters and more complex structures.
When should you use CSV?
Use CSV to exchange data with apps, databases, websites and systems that require simple files.
When should you use Excel?
Use XLSX when you need formulas, formatting or a more readable spreadsheet.