.XLSX File Extension

The .XLSX file extension is a standard format used in computing. This page details what this file type is and how to work with it.

What is a .XLSX file?

A file with the .XLSX extension is associated with specific software applications that can read or write this format. It is essential to have the correct software installed to view or edit these files.

How to open .XLSX files?

You can open .XLSX files using our Online File Opener without installing any software. Alternatively, you can download desktop applications compatible with this format.