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 ...

One of our readers reported that all the file extensions have changed to some unknown file format. If so, it could be a virus! If a virus has changed all the files extensions to unknown applications, ...

If you changed the Navigation pane width in File Explorer on Windows 11/10, and you want to now get it back to the default width, then you can reset the File Explorer Navigation pane width to default ...