Convert Excel to CSV Online
Use our free online tool to convert your Excel 2007+ (.xlsx) data to CSV quickly
Excel 2007+ (.xlsx)
Excel 2007+ refers to the file format used by Microsoft Excel versions from 2007 onwards, typically having the .xlsx extension. This format is part of the Office Open XML (OOXML) standard and represents a significant change from the older binary format used in previous versions Excel. Excel files are a compressed Zip package which reduces the file sizes and makes them easier to manage and share. Excel support 1,048,576 rows and 16,384 columns per sheet, more complex formulas, and advanced features like conditional formatting, richer graphics, and improved security options.
CSV
A CSV (Comma-Separated Values) file is a simple text file used to store tabular data, such as a spreadsheet or database. Each line in the file corresponds to a row in the table, and within each line, columns are separated by commas.