 How to recover lost or deleted photos in the raw format Let's suppose we have a memory card containing raw images. When connecting it to the computer, we can see there was a failure which resulted in a format error or damaged file system. To recover the raw photos, run Hetman Photo Recovery. Select the memory card. Fast scan will be better if you have deleted the file by accident. If there are problems with the file system or after formatting the memory card, content of our analysis is the weapon of choice. Select a format or choose all raw formats. As a result, the process of analysis will start for your media. When the analysis is complete, Hetman Photo Recovery will show an image all image files it has found.