From hidden rows to sheet protection passwords, Excel's "privacy" features are easily bypassed—encryption and deletion are much more watertight.

I backup all of my passwords into a password encrypted Excel file. It contains all my personal and biz passwords. At least over 100+. I keep the file backed up offsite, and keep a backup CD in my ...

You probably have documents on your desktop operating system that contain sensitive information. So what do you do to protect that data? You could hide the document in an obscure folder -- but that's ...