To make sure a deleted file can't be recovered, you'll need to use a third-party shredding tool. Here's a look at three such free programs: Eraser, File Shredder, and Freeraser. We all know that ...

Duplicate-file-finding programs expect you to manually check each file for deletion. That’s not practical for Edward Derbyshire, who has “121,000 duplicates” to delete. Before I tell you how to delete ...