XLS file extension

Below you'll find information on
known file type that uses the .XLS file extension.

Microsoft Excel Spreadsheet File
Extension Added: November, 15th 2010
Last Updated: November, 15th 2010

Category:Spreadsheet Files
Popularity: (Very common)
Spreadsheet created with Microsoft Excel. These .XLS files contain data as well as embedded objects such as graphics and buttons etc.

There are actually multiple versions of the XLS file format, and newer versions of Excel are quite capable of opening them all.

As of Excel 2007, Microsoft have replaced their proprietary .XLS format with a more open format, called Open XML. Therefore all newer version use the .XLSX file extension.