File Extension is what identifies the document type. For it is quite important to view file expansion to identity the kind of document you’re trying to open in the safety point of view. So in this article, we’ll observe how to windows 10 show file extensions and the reason you need to show them. Since file names permit you to utilize multiple complete stops, the actual title of a malware record might be techolac.docx.exe. But since you haven’t set Windows to display file extensions, you’d see just techolac.docx. Thinking its a Word file, you could end up clicking it and infecting your PC. In the event that you’d, on the other hand, place your PC to show file extensions, then you’d see its entire title — techolac.docx.exe, that would allow you to recognize it was really an executable file and in all probability that a malware record.
In this guide, you’ll learn the easy steps to show extensions for files while using File Explorer on Windows 10.
What are File Extensions & how are they useful
Different document types have various extensions. Audio files have .mp3, .wav, .wma and more centered on the app used to open that document. File extensions also assist the operating system to recognize the corresponding app to open that specific file. Thus, you need to be able to see file extensions to be in the safer side, and we’ll inform you how to allow choices to view file extensions in Windows.
As mentioned earlier, by default Windows does not show files extensions and they are hidden. But, you can toggle the option to see them..
Show File Extensions in Windows
There are two ways how you can go about accessing this setting. One way is through the Control Panel, and another way is through Windows Explorer itself. In both ways, you will be toggling the option to see file extensions.
1 Through Folder Options
To show Windows File Extensions Open Control Panel > Appearance and Personalization. Now, click on Folder Options or File Explorer Option, as it is now called > View tab. In this tab, under Advanced Settings, you will see the option Hide extensions for known file types. Uncheck this option and click on Apply and OK.
Windows 10 users may also search for File Explorer Options in Start search box and open this box.
Now, you can see file extensions for all files anywhere on your Windows system.
These are very simple steps to follow, and you do not need any third party software to view file extensions. Windows provides us with everything which can be easily achieved and the point lies in knowing and implementing them. This is the first way to see file extensions in Windows 7.
2 Via Windows File Explorer
2nd method to show windows 10 show file extensions using File Explorer, you can access it via View > Options > Change folder and search options. In Windows 7, open Explorer, press Alt on your keyboard to make the Classic bar appear. Next, click on Tools > Folder Options. Now follow the steps mentioned above.
3 Using the Registry Editor
Hit the WINKEY + R button combination to launch the Run utility, type in regedit and hit Enter. Once Registry Editor opens, navigate to the following key-
Look up for a DWORD entry labeled as HideFileExt.
Double click on the mentioned DWORD entry and set its value as 0. This will show up the hidden file extensions.
A value of 0 will hide the file extensions.
Exit the Registry Editor and then reboot your computer for the changes to take effect.
4 Use Windows Command Prompt
This fix can be used in both the scenarios mentioned above. Insert a bootable drive of Windows 10 installer.
Start by hitting the WINKEY + X combinations and select Command Prompt (Admin) to launch Command Prompt with Administrator Privileges.
Navigate to the root location of that bootable device inside the Command Prompt command line. Once you get there, type in the following to show the file extensions-
reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v HideFileExt /t REG_DWORD /d 0 /f
And then hit Enter.
You can also enter the following command to hide the file extensions,
reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v HideFileExt /t REG_DWORD /d 1 /f
5 Using Group Policy Editor
You can also use the Group Policy Editor and change the setting here:
User Configuration > Preferences > Control Panel Settings > Folder Options.
Set “Show hidden files and folders” and uncheck “Hide extensions for known file types”.
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