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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A file extension of .xlsx means that the file contains what?
A
An image
B
A Word document
C
An application
D
An Excel document
Explanation: 

Detailed explanation-1: -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.

Detailed explanation-2: -Excel Workbook. .xlsx. The default XML-based file format for Excel 2010 and Excel 2007.

Detailed explanation-3: -XLSX files are the standard extension for the modern Microsoft Excel spreadsheet files. They are a zip-compressed XML spreadsheet file used to analyze and organize data. They contain numerical data separated by rows and columns within a cell. It is a modern, updated version of the original Excel file format.

Detailed explanation-4: -xlsx file is a zip file (a package) containing a number of “parts” (typically UTF-8 or UTF-16 encoded) or XML files. The package may also contain other media files such as images. The structure is organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376.

Detailed explanation-5: -In Excel Starter, a spreadsheet is called a worksheet, and worksheets are stored in a file called a workbook.

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