Hide Unhide file extensions in Windows 10/11 - 3 Simple Ways

The file extension is what identifies the file type. On Windows systems, file extensions are hidden by default. File extensions differ depending on the type of file. Audio files, for example, .mp3,.wav,.wma, and others. Image files have extensions like .jpeg, .png etc…

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Quick Reading: File Extensions in Windows 11/10

- To detect file types when you try to open it. And identify malicious files.
- First Way: 

  How to Show or Hide File Extensions in Windows 11 via File Explorer?

  Open File Explorer > View > Show > File name extensions option

- Second Way:

   Open Control Panel > Appearance and Personalization > File Explorer Option > 

   View Tab > Tick mark to hide and Remove Tick mark for unhiding on "Hide extensions for     known file types"

- Third Way:

    Open the Registry Editor > 

    Follow this path ( Computer > HKEY_CURRENT_USER >Software> Microsoft>                Windows> CurrentVersion> Explorer> Advanced )

    > DWORD "HideFileExt"

    > Value data” field, fill the value: 1 for Unhide or 0  for Hide

-  How you can easily change the file extensions on a Windows PC

   Unhide file Extension > Rename

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Why You should know the file extension on Windows Computer?

- To detect file types when you try to open it.

- File extensions enable the operating system in identifying the appropriate software to open that specific file.

- To detect malicious files:

    For Example, A malicious file's true name may be Offers.docx.exe. However, because you have not configured Windows to display file extensions, you will just see Offers.docx. You may eventually end up clicking on it, thinking it's a Word document, and infecting your computer. If you had set your Computer to show file extensions, you would have seen its complete name – Offers.docx.exe – which would have helped you determine that it was an executable file and, most likely, a malware file. As a result, you will be able to determine whether a file is harmful or not.

    I'll show you How to Unhide or Hide File Extensions in Windows 11/10?

    There are several ways for displaying or hiding File Extensions in Windows 11/10. We'll go over them all one by one.

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Video Tutorial: Hide Unhide file extensions in Windows 10/11

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Depth Reading: Hide/Unhide File Extension

First Way: How to Show or Hide File Extensions in Windows 11 via File Explorer? (Simplest Method)

    The simplest way to show or hide File Extension in Windows 11 is using  File Explorer.
To do so, follow the given steps.

Step 1. 

First, Open File Explorer. (Windows + E Shortcut Keys on the keyboard).

Step 2. 

In the File Explorer window, click on “View”.

Step 3. 

Then Click on Show and then select “File name extensions option”.

Now, you can hide and unhide file extensions for all files anywhere on your Windows system.

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Second Way:
How to Hide or Unhide File Extensions in Windows 11 Using Control PanelàFile Explorer Options?

Step 1. 

Open Control Panel.

Step 2. 

Now click Here “Appearance and Personalization.”

Step 3. 

After that, click the File Explorer Option.

Step 4. 

Now,  ‘File Explorer options‘ window will open. In This window, go to the View tab.

Step 5. 
Then uncheck the “Hide extensions for known file types” option to show file extensions.
Or
Check the “Hide extensions for known file types” option to hide file extensions.

Step 6. 
Next, click Apply button. And Press the Ok button.

    After performing the above steps, open File Explorer to display the file extensions.
This is how You can Show File Extension or Hide File Extension on Windows 11.

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Third Way: How to Show or Hide File Extensions in Windows 11/10 via Registry Editor?

Step 1. 

- To Open the Registry Editor, first Open Run Dialogue Windows by shortcut key: Windows + r
- Then type regedit as shown in the below image and press OK. It will open Registry Editor:

Step 2 :
In the left sidebar of Registry Editor, navigate the following path:-

Computer > HKEY_CURRENT_USER >Software> Microsoft> Windows> CurrentVersion> Explorer> Advanced

Step 3. 

Search for the DWORD "HideFileExt" in the "Advanced" folder's right sidebar and double-click on it to view it.

Step 4. 

Then, in the “Value data” field, fill the value:

-- 0 to Shows up the hidden file extensions.

-- 1 to Hides the file extensions.

Step 5. 

After that, press the OK button.

Step 6. 

Lastly, restart your computer to have the changes take effect.

    As you now know How to show File Extensions in Windows 11/10. Now let's learn 

"How you can easily change the file extensions on windows PC."

For That, Firstly unhide the file extension using any of the above methods. Then right-click on the file you want to change and select Rename from the context menu to begin altering the file extension in Windows 10/11.

OR 

just select the file you want to change and press the F2 key to Rename that file, and now you can change the file extension.

I'm sure you've discovered some interesting ways to hide or unhide file extensions in the windows system. Keep visiting this blog for more awesome learning.

I hope this information is helpful for you.
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