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.XLS File Extension

Windows user? Open .XLS files for FREE with File Viewer Lite

File TypeExcel Spreadsheet

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Rare Uncommon Average Common Very Common
CategorySpreadsheet Files


This file is saved in a binary format, which requires a specific program to read its contents.


Spreadsheet created by Microsoft Excel, the most widely-used spreadsheet program; stores data in a table with rows and columns; table cells may contain manually entered data or the results computed from the data of other cells; often used to create charts and graphs.

More Information

NOTE: Excel 2007 and later saves spreadsheets in the OpenXML format with the .XLSX file extension.

Common XLS Filenames:

Workbook1.xls - The default filename Microsoft Excel gives to new spreadsheets prior to Excel 2007, which creates new spreadsheets with the Workbook1.xlsx filename.

Program(s) that open .XLS files
Microsoft Windows LogoWindows
File Viewer Lite
Microsoft Excel 2013
Microsoft Excel Viewer
Corel Quattro Pro X7
Apache OpenOffice
Kingsoft Spreadsheets
Nuance OmniPage Ultimate
Mac OS X LogoMac OS
Microsoft Excel 2011
Apache OpenOffice
Planamesa NeoOffice
Linux LogoLinux
Apache OpenOffice
Web LogoWeb
Google Drive
iOS LogoiOS
MobiSystems OfficeSuite Pro
Google Drive
Android LogoAndroid
Kingsoft WPS Office for Android
MobiSystems OfficeSuite Pro
Google Drive
Updated 8/3/2015