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 ...

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 ...

When you double-click on a file in Windows, it will automatically open a default program that is configured to manage these types of files. It is common, though, want or need to use a different ...

Kavindu installed KMPlayer, then discovered that more file types opened in KMPlayer than he wanted. When you open a data file, Windows uses the file’s extension (such as .docx, .mp3, .jpg) to see in ...