The file extension can be best understood as it is a suffix that is written at the last of a filename that represents the type of file.
For an instant, when the name of the file is “myreport.txt,” the word.TXT is known as the file extension.
This extension represented this file is a text document. There are various examples of file extension, such as. DOCX, which is also a suffix, used for Microsoft Word documents. Another example is.PSD, which is used as the file extension of Adobe Photoshop documents.
File Extension is commonly used to identify the type of file. File identification is not a big problem for a regular Windows user. You can identify it by looking at the file extension.
For security purposes, it is necessary to identify the type of file, you are trying to open. Because if you would not identify it, your computer may be at the risk of various malware files.
File extension helps to identify any malware file present in your device, for example, realword.docx.exe file is the real name of a malware file, but when your window hides the file extension, the real name of a malware file does not express.
The name of the malware file now expressed just like a normal file, for example, it shows the name as realword.docx. which is similar to a common file. You may open this malware file mistakenly in your device. Therefore, you may get risks on your computer.
How to show a file extension in Windows 10?
There are five various methods through which file extension can be showed in the Window 10 operating system. Each of which is discussed below.
Through Folder Options
A file extension can be unhidden through the folder option, following are the key steps:
First of all open the Control Panel or you may go directly to the Start search box.to
Then Go to the Appearance and Personalization option or direct search File Explorer Options
Then click on File Explorer Option on Folder Options where you will find directly advanced setting tab.
Then View tab where you will find the Hide extensions for known file types options under Advanced Settings.
Uncheck this option, click on Apply option below the tab, and then OK.
Now your window system can show all the file extensions.
By using Windows File Explorer
This is another method of showing a file extension, the following are the steps of the file extension through file explorer:
You may show a file extension in the case of Windows 10 or 8.1 File Explorer.
First of all right click on the desktop, go to View,
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