Mac OS X computers use a default application to open every file type based on its file extension. If you don't want to use the default application when opening a file, you can select "Open With" from ...

There may be a situation in Snow Leopard where opening a file either in the Finder or in the Dock will not open them in the default application. The application may launch and then become unresponsive ...

If you cannot associate a file extension to an application in Windows 11/10, and see an error message The program you selected cannot be associated with this file ...

Managing files on iPad has finally got a lot easier with new tools added to the Files app in iPadOS 17. It’s especially good for working with external drives, including basic capabilities like seeing ...