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 back up and restore files with Windows’ built-in File History tool — but there are key limitations you should know. When Windows 8 made its public debut in October 2012, one of the new ...

This tutorial shows how to reset File History on a Windows 11/10 computer. File History feature in Windows PC helps to save copies of files stored on the Desktop, Documents, Favorites, Pictures, ...