Home : File Types : XLSX File

.XLSX File Extension

File TypeMicrosoft Excel Open XML Spreadsheet

DeveloperMicrosoft
Popularity
3.6 (192 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategorySpreadsheet Files
FormatZip

Zip

This file is saved in a zipped format. You can view the contents by unzipping it with a file decompression program.

What is a XLSX file?

An XLSX file is a spreadsheet created with Microsoft Excel, a program used to create spreadsheets. It stores data in worksheets, which contain cells arranged in a grid of rows and columns, and may also contain charts, mathematical functions, styles, and formatting. XLSX files are commonly used to store financial data and to create simple or complex mathematical models.

More Information

Each cell in an XLSX spreadsheet may be formatted individually. For example, cells may have a number, text, currency, or other format as well as color, border style, custom font, and size. Cells may reference other cells to compute a resulting value.

XLSX files are created using the Open XML standard, which was introduced in Microsoft Office 2007. They are stored as a compressed Zip archive, which contains a collection of individual files. The archive includes the file [Content_Types].xml, which describes the spreadsheet, and an XML file for each worksheet within the spreadsheet.

NOTE: XLSX files can be opened in Excel 2007 or later. They are also backwards compatible with earlier versions of Excel via Open XML component support.

Common XLSX Filenames

Workbook1.xlsx - The default filename Microsoft Excel gives to new workbooks beginning with Excel 2007.

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Programs that open XLSX files
Windows
File Viewer Plus
Microsoft Excel 2016
OxygenOffice Professional
Corel WordPerfect X8
Apache OpenOffice
SoftMaker Office
Gnumeric
LibreOffice
Mac
Microsoft Excel 2016
Apple Numbers 3.5
Apache OpenOffice
Planamesa NeoOffice
LibreOffice
Linux
OxygenOffice Professional
Apache OpenOffice
Gnumeric
LibreOffice
Web
Google Drive
Intuit QuickBooks Canada
iOS
Microsoft Excel
MobiSystems OfficeSuite Pro
Infraware Polaris Office
Google Drive
Android
Microsoft Excel
Kingsoft WPS Office for Android
MobiSystems OfficeSuite Pro
Google Drive
SoftMaker Office: PlanMaker Mobile
Updated 8/18/2016

.XLSX Extension Information

This page contains information about the file extension XLSX and its known file associations. Our goal is to help you understand what a *.xlsx file is and how to open it.

The Microsoft Excel Open XML Spreadsheet file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and do not publish any information we have not verified.

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