If you need to convert that file from CSV to JSON, you can do that with the csvjson command like so: csvjson clients.csv > clients.json Csvkit has a couple of other handy tricks up its sleeve.

Use these free online JSON to Excel converter tools to convert JSON files to Excel format. These are the best websites to do so.

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