FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -The XLS file extension is used for files saved as Microsoft Excel worksheets. Excel is a popular spreadsheet program used with data like numbers and formulas, text, and drawing shapes. Excel is part of the Microsoft Office Suite of software.

Detailed explanation-2: -XLS files are Microsoft Excel’s workbook files in use between 97-2003. Later Excel versions use the XLSX extension. XLS and XLSX file formats contain all the information from the worksheets in a workbook, including formatting, charts, images, formulas, etc.

Detailed explanation-3: -The XLSX and XLS file extensions are used for Microsoft Excel spreadsheets, part of the Microsoft Office Suite of software. XLSX/XLS files are used to store and manage data such as numbers, formulas, text, and drawing shapes.