WebSaw

A disk image is a file which consists of files in different formats. It is usually stored with an .iso extension. The disk image consists of all the contents of the storage device, copied sector by sector onto the file, along with the structure of the storage device, whose image is being created. Disk images [...]

In contrast if you have accidentally reloaded Windows on a faulty PC before recovery of your files you will need the most powerful, deepest scanning data recovery tool you can find. You will not be so concerned with preview as you may very likely have a quarter of a million files to recover and you [...]