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 is not associated with a program, however, ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Being unable to open files as usual is one of the most frustrating ...

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. Windows uses a file’s extension–the part of the ...

Have you ever noticed how your computer knows which program to open when you double click on a file? It doesn’t always know but most of the time it does. When it doesn’t know, your computer will ask ...

When you double-click on a file in Windows 8, Windows will automatically open that file using a program that has been associated with that file's extension. There may come a time, though, that you ...

Red Eye Rose received a file with a strange extension. She doesn’t know into what program she should load it. Neither does Windows. I doubt that anyone knows all of the file extensions used since 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 ...

A .CWK file is an extension applied to Apple Works files. It applies to spreadsheet, presentation or word-processing files created with Apple Works. With the advent of the Lion Mac operating system, ...

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 ...

Most of you might have seen CRDOWNLOAD files while downloading video, music files, document files, etc. They are temp files created by Chrome when you download a file. In fact, they are created by all ...