Windows Show File Extensions


Why You Should Show File Extensions

You may not pay much attention to the file extensions on your PC; as long as it opens, it doesn't matter what kind of file it is. However, for security reasons, the file extensions should always be visible. This way, you can easily take a look at the file type you want to open and detect possible malware.

How to Show File Extensions in Windows 7

How to Show File Extensions in Windows 10 and 8

We have put together a small guide that you can use to display file extensions and keep your computer safe.

Going through File Explorer is the easiest way to make Windows display file extensions.

In File Explorer, open the View tab and check the File name extensions option.

  • There is no need to restart your computer or even close File Explorer as the change should be instantaneous.
  • If you still can’t any see files extensions, try restarting File Explorer before moving on to more complex solutions.
  • You can access File Explorer options through Control Panel if you want to reconfigure its settings.
  • Here's how to find them:. Open Control Panel. Using the View by menu, select Large icons.
  • Click File Explorer Options. Select the View tab.

From Files and Folders, uncheck Hide extensions for known file types. Click Apply > OK and check if extensions are now visible.

1. Enable File Name Extensions in File Explorer

The Registry Editor is a hierarchical database that contains system and application settings.

As such, you can tweak the values related to file extensions within Registry Editor to fix the problem.

MAKEUSEOF VIDEO OF THE DAY. Input regedit in the Start menu search bar and select Run as administrator. Head to HKEY_CURRENT_USER > SOFTWARE > Microsoft > Windows > CurrentVersion > Explorer > Advanced.

In the right pane, open HideFileExt. Set Value data to 0. Make sure Base is Hexadecimal. Restart your computer and check if Windows displays file extensions.

Note: If you want to hide the file extensions, go through the 1-4 steps and set Value data to 1.

You can use Command Prompt to change your system settings. Here is how you can use it so Windows will display file extensions:.

2. Check File Explorer's Options

Press Win + R to open a Run dialog. Type cmd and click OK. In the Command Prompt window copy the next command reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v HideFileExt /t REG_DWORD /d 0 /f.

Note: If you want to hide file extensions using Command Prompt, type reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v HideFileExt /t REG_DWORD /d 1 /f.Related: Best Windows File Organization Apps and File Organizer Software.

3. Edit Values in the Registry Editor

Everyone can rename a malware’s executable file, but the extension always reveals the file's true form. If you can’t view file extensions, you can’t tell the difference between an image and an executable file disguised as one.

And while the former may be completely harmless for your PC, opening the latter may expose your computer to malware.

  • 5 Easy Ways to Secure Your Computer in Less Than 5 Minutes.
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Windows 11 hides the file extensions of known file types by default.

This can make it difficult to recognize the file type without first opening it. Fortunately, you can configure Windows 11 to show extensions for known file types.

The method is similar to Windows 10, but the option is now organized in a dropdown menu instead of the "View" tab in the File Explorer ribbon. To show file extensions in Windows 11, follow these steps:.

Open File Explorer by clicking the program icon in the taskbar at the bottom of the Windows desktop (you can also type the "Windows + E" shortcut or open a folder by double-clicking it).

4. Enable File Extensions via the Command Prompt

Select View → Show → File name extensions (if you return to this setting, a checkmark should now be visible). Now, Windows 11 shows file extensions for all known files on your computer, as you can see in the image above.

NOTE: To hide file extensions, deselect File name extensions in the View → Show dropdown menu. You can also show and hide file extensions in Windows 11 by modifying the folder view settings in File Explorer.