How to Show / Hide file extension in windows 8

By default Windows 8 hide file extensions of files. Like if you have mp3 files, windows 8 will not show filename.mp3 instead it will just show filename.

How to Show / Hide file extension in windows 8

• Open Windows Explorer.
  
• In Windows Explorer click View tab.
  
• Check File name extensions to show file extension. Un-check it to hide file extension.
  

When this option is checked, files will show its extension (file type) also, like filename.mp3, filename.txt, filename.avi, filename.doc etc.