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How to display the extension of the file on windows 8 and windows 7?

I can't find it since I upgraded from WinXP.

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up vote 9 down vote accepted

The Folder Options control panel contains an option to show/hide file extensions for known file types. By default, it's set to Hide.

To get to the control panel is simple (but slightly different in each version of Windows):

  • In Windows 7, press Win and type Folder Options, and then hit Enter.
  • In Windows 8, press Win+W and type Folder Options, then select it from the search results.

Under the View tab, there's an Advanced settings tree. You should see Hide extensions for known file types. checked in the list. Uncheck it, and click OK.

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On Windows 8 you can see the file name extensions by:

  1. Open File Explorer.
  2. Select View option from the Ribbon
  3. Check File name extensions check box

enter image description here

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I do not use Windows 8 personally, but I guess it's still the same as on Windows 7.

  • Launch Control Panel
  • Search for Folder Options and open it
  • Uncheck "Hide extensions for known file types".
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This isn't a very good answer. You don't even use Windows 8. So why are you answering a question with "I guess its the same" when you don't actually know? Its actually isn't the same as both sidran32 and Rakib Ansary have proven by their answer. – Ramhound Oct 28 '12 at 2:31
Gee as it turns out it is the same for W8 as it was for W7, smarty pants. Folder Options in Control panel is exactly the same for W8. – Moab Oct 28 '12 at 4:24
+1 Great Guess! – Moab Oct 28 '12 at 4:26

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