Show File Extension in Windows XP

Users migrating to XP from previous versions of windows may be surprised to see that the file extensions are not shown. Even if you aren’t accustomed to it, it is good practice to show the extension of known files. This tutorial will guide you through the simple steps to show the three letter file extensions.

Open up any folder in windows (I will use My Computer)
Show File Extension in Windows XP

On the menu select Tools > Folder Options.
Show File Extension in Windows XP

The Folder Options Window will be displayed.
Show File Extension in Windows XP

Click the View tab at the top of the window. Scroll down to the option for “Hide extensions for known file types.
Show File Extension in Windows XP

Uncheck the option and then click ok to exit.
Show File Extension in Windows XP

Your files should now display the three letter extensions.
Show File Extension in Windows XP

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  • Kishore

    This is very useful. Thanks for your information.

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  • Soum

    Useful tips………..nice one……..

  • Ruth

    This was very useful

    Thx a ton

  • rustam

    you know how to enable view extension file via command prompt?
    i want use it on my *.bat file.
    its sound like :
    REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 0 /f
    hope u can help me to find this.
    if you got answer, please email it to me.
    have nice day

  • Donnie Norris

    I never knew how valuable this was until I didn’t have it. For my birthday I received a mini computer that had Windows XP. My desktop has Vista and I was accustomed to seeing the extension which is not there on Windows XP, until now.

  • Deval

    great!!! it ‘s work………….

  • Charhonda

    I now have the concept…

  • Russ

    What a relief. XP Help gave me no help. Thanks

  • Riyaz

    nice useful tips

  • Thank you
    This is so easy to follow

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  • Elenasimone27

    very helpfull, thanks 🙂