File Extensions are important for an operating system as they tell about the file format. This article covers what are File Extensions and why are they important.

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 ...

How to Open Unrecognized File Extensions. In most cases, the majority of the file extensions you encounter on your computer are already associated with a program or protocol. When a file extension ...

Get a more generic solution to identifying unknown or unrecognized file types & extensions with these free tools for Windows 11/10 computer.

When you double-click a file on your Mac, the operating system will automatically open the file using the program assigned to that type of file. It is possible, though, to open the file using ...

How to Read Unknown File Extensions. 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 ...

Need to look at invisible files and show hidden file extensions in Windows? Here's how to reveal them.

BearPup sometimes wants to open a file in one program, and other times open it in another. He asked the Answer Line forum for an easy way to do this.

If you want a different app to always open a particular file type, here's how to do it.

How to open files on a Chromebook The Files app makes it easier to find and open files on ChromeOS. Like other operating systems, you only need to double-click a file to open it most times. Open ...