Every file that we have saved on our computers has a particular extension. The file extension is added at the end of the filename followed by a dot (.). It tells the operating systems about the ...

A file extensions is a suffix to the filename that's used to indicate what software or program it's associated with. If the required software to read the file is ...

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.

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 ...

Last week I covered some basic file management tips in “Windows Explorer Explained: Tips for Newbies“–and the article was so popular that I figured I should just keep going. So this week I’ll stick ...

New installations of Windows default to hiding the file extension when file names appear in Explorer windows and Open/Save dialog boxes in applications. However, this important element of the file ...