Question

Which of the following is not correctly matched?
1. Word document - .docx
2. Sound - .mp3
3. Power point .pptx
4. Excel - .xl

Answer 1

Correct Answer - Option 4 : Excel - .xl

The correct answer is Excel - .xl.

• MS Excel is an electronic spreadsheet developed by Microsoft.
• It is a program that is used to save and analyze numerical data.
• A spreadsheet is in the form of a table comprising rows and columns.
• The rectangular box at the intersection point between rows and columns forms a cell.
• Files created in MS Excel is known as workbook.
• The extension used in MS Excel is '.xlsx' 

Extension	Format
.aac	Windows audio file
.eml	Email file created by Outlook Express, Windows Live Mail, and other programs.
.exe	Executable program file
.jpg, .jpeg	Joint Photographic Experts Group photo file
.png	Portable Network Graphics File
.pptx	Microsoft Powerpoint
.docx	Microsoft Word 2007 file