How to Create a CSV File. A CSV file is a text file that is formatted as a table. Each line has data that is separated from each other by commas.

CSV files are most commonly encountered in spreadsheets and databases. You can use a CSV file to move data between programs that aren't ordinarily able to exchange data.

How to Keep Leading Zeros in CSV. Microsoft Excel can use data produced by other computer applications that is saved in the text-based Comma-Separated Value file format. Excel knows how to convert ...