If you've overwritten a Word file and haven't saved any older copies of the file under different file names, you can check to see whether Windows 7 has a previous version of the file to restore to.

If you accidentally overwrite an important PowerPoint business presentation, you may think you've lost your data and hours of hard work. Windows 7, however, includes a Volume Shadow Copy feature that ...

Are overwritten files really, truly gone? Or could some snoop, given enough money and resources, get that data back? In my story last week, Surviving a home data disaster: How Shirley got her files ...