There are many tools on the market that advertise an
ability to recover accidentally deleted files. But do
they stand behind what they offer?

A common approach to deleted file recovery is a
comprehensive scan of a file system on your hard disk.
A data recovery tool displays a number of files,
usually thousands of them, in a window, and offers you
the option of recovering one or more of them. But what
if there are several versions of a file, all with the
same name? This is a very common situation if you work
with a document and save it periodically. The bad news
is that once you save a new copy of a document, the
old one may or may not get overwritten in whole or in
part, depending on free disk space and the size of the
document. All of the files will have the same name in
the file list window of typical data recovery
programs. If you recover the wrong copy, you will get
a completely unusable file that contains no useful
information, just digital garbage. What's worse, once
you recover a wrong file, you may not be able to

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