A XLSX file is a spreadsheet file format associated with Microsoft Excel, a widely used spreadsheet program part of the Microsoft Office suite. The XLSX file format is the successor to the older XLS format and is based on the Office Open XML (OOXML) format. XLSX files are used for storing data in a tabular format, with rows and columns, formulas, and various formatting options.

What is a XLSX File?

A XLSX file is a container that can store worksheets, charts, and other elements within a Microsoft Excel workbook. It is an XML-based file format introduced with Microsoft Office 2007 and is now the default format for Excel. XLSX files are more efficient and offer enhanced features compared to the older binary XLS format.

How to Open XLSX Files:

Opening XLSX files can be done using various methods:

1. Microsoft Excel:

2. LibreOffice Calc:

3. Google Sheets:

4. Microsoft Excel Online:

Various Apps that Use XLSX Files:

Here are some applications that can be used to work with XLSX files:
Free File Viewer
Bitberry File Opener
Microsoft Excel
Quattro Pro