Moving a file to the trash on your PC or Mac gets rid of it for good, right? Not so fast. These files can be seen by others later, and they could be slowing down your machine. Tap or click for my ...

It's easy to delete a folder from Dropbox via your computer or mobile device. You can delete the folder permanently or delete the folder with the option to recover it later. If you're a part of a ...

A reader asked me how he might safely donate a computer to a local refurbishing group. "Our son-in-law takes the hard drive out and destroys it with a hammer," he said. "Is that the best way?" Unless ...