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What is the extension type of the Excel 2007 files?

105. What is the extension type of the Excel 2007 files?

1. .xls
2. .docx
3. .pptx
4. .xlsx

Answer

The correct answer is: D) .xlsx

Explanation

The ".xlsx" file extension refers to the file format used by Microsoft Excel for spreadsheets created with Excel 2007 and later versions. Files with the ".xlsx" extension contain data organized in rows and columns, formulas, charts, and other features commonly associated with spreadsheet applications.