Type:Spreadsheet File
Acronym:Excel Spreadsheet
Opens With: Microsoft Excel 2010
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.
NOTE: Excel 2007 and later saves spreadsheets in the OpenXML format with the .XLSX file extension.