FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -The Microsoft Excel Binary File format, with the . xls extension and referred to as XLS or MS-XLS, was the default format used for spreadsheets in Excel through Microsoft Office 2003. The format is also referred to as Binary Interchange File Format (BIFF) in Microsoft’s technical documentation.

Detailed explanation-2: -Microsoft Excel 2007 and later uses XLSX as the default file format when creating a new spreadsheet. Support for loading and saving legacy XLS files is also included. XLS is the default format used with Office 97-2003. XLS is a Microsoft proprietary Binary Interchange File Format.

Detailed explanation-3: -In Microsoft Excel, workbooks are saved as Excel Workbooks (. xlsx) by default. You can change the default file format to any other file format that is supported in Excel. For example, if you frequently create macros in a workbook, you may want to automatically save a new workbook as an Excel Macro-Enabled Workbook (.