You can easily delete a notebook in OneNote when you no longer need it by accessing File Explorer and removing it there.

Berlin (dpa) — Deleting something on a computer doesn't mean it's actually gone, even when you've emptied the recycle bin. Deleted files can often be easily retrieved with special programs. Data is ...

You can delete backups on a Mac by using the Finder or your computer's Time Machine, in tandem with your external hard drive.

Seriously, just take it to Best Buy or Staples. They'll take your old laptops, printers, and other tech junk off your hands for free. Some places will even give you a gift card for your trouble. It's ...