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, ...

You can change or restore the Folder default icon in Windows 11/10 using any of the following methods: Change Folder default icon in Properties Change Folder default icon in desktop.ini file Restore ...