CSVFileView is a free portable tool that lets you open CSV files and manage data without using Excel or Google Sheets on Windows 11/10.

CSV files are special text files that are quite common when dealing with spreadsheets. Here's how to open and make them.

Launch OpenOffice, click "File" and choose "Open" from the menu to display the Open window. Select the CSV file and click "Open" to display the Text Import window.