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 ...

A file extension, or file name extension, is the letters immediately shown after the last period in a file name. For example, the file extension.txt has an extension of .txt. This extension allows the ...

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 ...

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 ...

The default setting for Windows is to not display a file's extension, which is the last period in a file name followed by 2 or 3 letters. Therefore, when viewing files in Windows you would only see ...

A way to trick users into opening a virus. Many people have learned that text files (.TXT) and image files (.GIF, .JPG, etc.) are safe to launch because they are data and not executable software. They ...

File extensions are a necessary evil. Most of the time, you want those extensions to stay out of sight, but occasionally it's useful to expose the extensions. If you're creating a batch file or a ...