|File Type||Microsoft Excel Spreadsheet (Legacy)|
|File Format||Proprietary (Microsoft)|
|Popularity||★ ★ ★ ★ ★ Popular|
An XLS file is a spreadsheet created with Excel 2003 or earlier for Windows or Excel 2003 or earlier for Macintosh systems. It contains data stored in cells, which are organized into rows and columns. Each spreadsheet may also contain multiple sheets.
IMPORTANT: Beginning with Excel 2007, spreadsheets are saved in the OpenXML format and use the .XLSX extension.
About Microsoft Excel
Excel is a popular spreadsheet program. It is widely used by businesses, but is also available to consumers. Excel includes advanced spreadsheet capabilities and supports complex formulas, which can be used to calculate the values of individual cells. It is commonly used to create and store "sheets" of data in an organized format.
|Published||July 21, 2009|