Malware developers love to disguise executable files as other file types, but showing file extensions in Windows 10 inflates their coverage far.
You may not be paying close attention to the file extensions on your PC; As long as it's open, it doesn't matter what type of file it is. For security reasons, however, the file extensions should always be visible. This makes it easy for you to take a look at the type of file you are trying to open and spot potential malware.
We have put together a small guide to help you view file extensions and protect your computer.
1. Enable filename extensions in File Explorer
File Explorer is the easiest way to view Windows file extensions. In File Explorer, open the view Tab and check the Filename extensions Opportunity. There is no need to restart your computer or close File Explorer as the change should be immediate.
If you still can't see file extensions, restart File Explorer before moving on to more complex solutions.
2. Check the File Explorer options
You can access the File Explorer Options from the Control Panel if you want to reconfigure the settings. How to find them:
Open minded Switchboard.
Use of Seen from Menu, choose Big icons.
click File Explorer Options.
Choose view Tab.
from Data and folders, deactivate Hide extensions for known file types.
click Apply> OK and check if extensions are now visible.
3. Edit values in the registry editor
The registry editor is a hierarchical database that contains system and application settings. Therefore, you can tweak the values for file extensions in Registry Editor to resolve the problem.
entry regedit by doing begin Menu search bar and select Execute as administrator.
Go to HKEY_CURRENT_USER> SOFTWARE> Microsoft> Windows> Current Version> Explorer> Advanced.
Open in the right window HideFileExt.
sentence Measured value to 0.
Assure yourself base is Hexadecimal.
Restart your computer and see if Windows shows file extensions.
note: If you want to hide the file extensions, follow steps 1-4 and set Measured value to 1.
4. Enable file extensions from the command prompt
You can use the command prompt to change your system settings. Here's how you can use it to make Windows show file extensions:
Press Profit + r to open Run Dialog.
Type cmd and click OK.
By doing 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: To hide file extensions from Command Prompt, enter reg add HKCU Software Microsoft Windows CurrentVersion Explorer Advanced / v HideFileExt / t REG_DWORD / d 1 / f.
Is the .JPG really an .EXE?
Anyone can rename a malware executable, but the extension always shows the true form of the file. If you can't see file extensions, you can't tell the difference between an image and an executable file disguised as such. And while the former can be completely harmless to your PC, opening the latter can expose your computer to malware.
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About the author
(83 published articles)
Matthew's passions lead him to become a technical writer and blogger. As a graduate engineer, he likes to use his technical knowledge to write informative and useful content.
By Matthew Wallaker
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