Data recovery means the recovering of the data after it has been deleted from the system. You must be thinking that how can a file be recovered after it has been deleted. Well when you delete a file it just deletes the first entry of the file from the allocation table. And the data recovery software recovers the file from the spool of free memory. This process is successful if after deletion of the file no other modification has been made to the hard disk i.e. no other content is add or appended to any of the file as it may write the content over the deleted file. And if no such thing has happened then you can confidently recover 100% data back.

Now you might be thinking why someone would want to recover a deleted file. Well the answer is simple. Sometimes it happens that you tend to delete the file by mistake and sometimes you may require formatting the hard disk even. So after this if you want to recover deleted files. Then you can do this easily using the windows data recovery wizard and get the deleted content back to where it belongs. With this you can recover any type of file be recovering an image file or to recover mp3 files. The data recovery software does it all for you.