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.XLS File Extension

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File TypeExcel Spreadsheet

DeveloperMicrosoft
Popularity
3.8 (250 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategorySpreadsheet Files
FormatBinary

Binary

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

What is an XLS file?

An XLS file is a spreadsheet file created by Microsoft Excel, the most widely-used spreadsheet program. It stores data in worksheets, charts, and macros. XLS files are saved in the Excel Binary File Format, which was the primary format until the Office Open XML format (.XLSX file extension) replaced it in Excel 2007.

More Information

An XLS spreadsheet is used for organizing, analyzing, manipulating, and visualizing data. The spreadsheet commonly consists of a table with rows and columns. The table cells in the file may contain manually entered data or the results computed from the data of other cells.

NOTE: Although Excel users primarily save their spreadsheets in the Office Open XML format (XLSX files), Excel still supports the XLS format.

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.

Programs that open XLS files
Windows
File Viewer Plus
Microsoft Excel 2016
Microsoft Excel Viewer
Corel Quattro Pro X7
Apache OpenOffice
Kingsoft Spreadsheets
Nuance OmniPage Ultimate
SoftMaker Office
Gnumeric
LibreOffice
Mac
Microsoft Excel 2016
Apache OpenOffice
Planamesa NeoOffice
LibreOffice
Linux
Apache OpenOffice
Gnumeric
LibreOffice
Web
Google Drive
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 7/15/2016

FileInfo - The File Extensions Database

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

The Excel 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 We strive for 100% accuracy and therefore do not publish any information we have not verified.

If you would like to suggest any additions or updates to this page, please let us know!