File Extensions and Explanation

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The words file extension may sound as if it's something difficult to understand or funny to some ears, how can files be extended? asked by one of my students. File extension does not mean the elasticity of a file but it refers to the piece of alphanumerical values added to the name of a document at the end. An example of this is africaqueen2face.mp3
The above highlighted .mp3 is an example of file extension and this .mp3 is what that makes devices recognize africaqueen2face.mp3 as an audio file.
Contrarily, if the file africaqueen2face is saved as africaqueen2face.mp4 instead of .mp3; It means the file will now play as a video and not as an audio. More file extensions and their explanation.

FILE EXTENSION
EXPLANATION
.mp3
Refers to file that will play as audio
.mp4
Video file
.gif
Graphical Interchange Format File
.doc
Microsoft Word Document
.docx
Microsoft Word Open XML Document
.ppt
PowerPoint Presentation
.pptx
PowerPoint Open XML Presentation
.wav
WAVE Audio File
.wma
Windows Media Audio File
.gif
Graphical Interchange Format File
.jpg
JPEG Image
.psd
Adobe Photoshop Document
.xls
Excel Spreadsheet
.xlsx
Microsoft Excel Open XML Spreadsheet
.accdb
Access 2007 Database File
.db
Database File
.apk
Android Package File
.app
Mac OS X Application
.exe
Windows Executable File
.jar
Java Archive File
.asp
Active Server Page
.aspx
Active Server Page Extended File
.css
Cascading Style Sheet
.htm
Hypertext Markup Language File
.html
Hypertext Markup Language File
.js
JavaScript File
.jsp
Java Server Page
.cdr
File saved from CorelDraw and can open with CorelDraw
More explanation will be made to these file extensions shortly.

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