In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on it. After you have changed this file association, though, you may want ...

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 ...

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 ...

On computers and mobile devices, file extensions are the suffixes that apps append to filenames. When you see an item like "document.docx" for example, the .docx extension tells the computer and the ...

In iOS 16.0 and later, you can make Apple's stock Files app display file extensions for items in the currently viewed folder. Keep reading to learn how it's done. The only issue until recently was ...