There are certain file extensions which are always kept hidden in File Explorer. NeverShowExt is the Registry key which when set for any Extension of File Type in Windows 10 in Registry Editor, disallows the same file extension to display in File Explorer. These file extensions are not displayed in File Explorer and are tucked away by default through Registry keys. How to Add Hidden Extension of File Type in Windows 10 for Security PurposeĪfter you clear the checkbox Hide extensions for known file types in Folder Options, Windows 10 will display most of the file extensions leaving behind some of the system reserved file extensions like URL (internet shortcuts), lnk (file shortcuts). Now, you can see the file extensions of the known files.Īfter the completion of the above process, Windows starts showing the Extension of File Type in Windows 10 and you can easily figure out the individual file type.Clear the checkbox of the option and click Apply and Ok buttons.Beneath the Advanced settings section, go to the Hide extensions for known file types option.A new window of Folder Options arrives on your screen.Take your attention to the extreme right corner of the ribbon and click Options. But Windows 10 always gives you the chance to display the file extensions like avi, doc, exe, mp3, txt and a lot more. The main reason of the hidden file extensions is to refrain user’s mind from confusion with the exhibition of different types of extension. Just like previous editions, Windows 10 also refuses to show Extension of File Type in Windows 10 of the known files by default. How to Turn On and Off Windows Defender in Windows 10 How to Add Extension of File Type in Windows 10 But I infer they have emphasized on the clean interface rather than security. So, Microsoft should make this feature available by default because as the extensions are hidden you will never get to know the file type.

When you meet a malicious threat the main thing you need to know is which type of file is damaging your PC so that you can rectify the issues or take a precautionary measure to avoid this kind of attack in the future. Why Are File Name Extensions so important? These are none other than File Name Extensions and tell that which types of files these are. You find a group of characters at the end of each of your Files everywhere.

How to view file types in windows 10