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 ...

Every day, we come across different types of file extensions while working on a computer. The file extensions tell an operating system about the type of file so that the OS could select the right app ...

I get a lot of e-mail that begins with the confession, “I know this is a dumb question, but …” At which point the reader asks a perfectly good question about some aspect of computer technology. I got ...

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 ...

Files with the .avery file extension are created by Avery's Design and Print Online Web application. You can't double-click these files to open them; you must open them from Avery's Web page. If you ...

The default applications your computer uses to open files can be changed if you prefer to use something other than what is currently set. When working with PDF files, for example, you can change your ...

Normally, if you change a file’s extension in Windows, it doesn’t do anything positive. It just makes the file open in the wrong programs that can’t decode what’s inside. However, [PortalRunner] has ...