Home : File Types : XLSX File

.XLSX File Extension

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File TypeMicrosoft Excel Open XML Spreadsheet

DeveloperMicrosoft
Popularity
3.6 (164 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 an 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. It may also contain charts, mathematical functions, styles, and formatting. The file is 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.

How do I open a XLSX file?
Microsoft Windows LogoWindows
File Viewer Lite
Microsoft Excel 2016
OxygenOffice Professional
Corel WordPerfect X7
Apache OpenOffice
SoftMaker Office
Gnumeric
LibreOffice
Mac OS X LogoMac
Microsoft Excel 2016
Apple Numbers 3.5
Apache OpenOffice
Planamesa NeoOffice
LibreOffice
Linux LogoLinux
OxygenOffice Professional
Apache OpenOffice
Gnumeric
LibreOffice
Web LogoWeb
Google Drive
Intuit QuickBooks Canada
iOS LogoiOS
Microsoft Excel
MobiSystems OfficeSuite Pro
Google Drive
Android LogoAndroid
Microsoft Excel
Kingsoft WPS Office for Android
MobiSystems OfficeSuite Pro
Google Drive
SoftMaker Office: PlanMaker Mobile
Updated 4/19/2016