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, ...

The discontinuation of CrashPlan for Home on 22 October 2018 is coming soon (see “CrashPlan Discontinues Consumer Backups,” 22 August 2017), so I’ve been receiving questions about how best to restore ...