A file extension is a suffix that is added to the end of a file name after a dot. It is usually two to four letters long. File extensions help Windows and other operating systems to know the standard ...

In this article, we will see how to create a file without an extension in Windows 11/10. Every day, we come across different types of file extensions while working on a computer. The file extensions ...

One of the easiest ways to render your computer unusable is to mess with the operating system’s files and settings–one accidental deletion of a single file can ...

Windows only: While Windows Explorer can sort files by type, by default it doesn't display or sort files by extension in a separate column—but the Extension Column add-on does just that. Install this ...

Microsoft hides file extensions in Windows by default even though it's a security risk that is commonly abused by phishing emails and malware distributors to trick people into opening malicious files.