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 ...

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 ...

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 ...

Windows only: Free program Task Manager Extension 2.0 adds tons of functionality to the built-in Windows task manager. The extension beefs up the right-click menu with 14 menu entries instead of the ...

New installations of Windows hide all file extensions, except for Windows components, that would appear in Explorer or an application dialog box that displays file names. File extensions are ...

Many times we receive files whose extension is unknown. This often happens when the sender puts a wrong file extension and it becomes difficult to open the file due to an unknown format. Here is a ...

If you can't submit your tax return by April 15 and owe taxes, apply for an extension to avoid expensive penalties. It's important to file on time, even if you can't pay what you owe; you can work out ...