Raw file formats are becoming extremely popular in digital photography workflows because they offer creative professionals greater creative control. However, cameras can use many different raw formats ??? the specifications for which are not publicly available ??? which means that not every raw file can be read by a variety of software applications. As a result, the use of these proprietary raw files as a long-term archival solution carries risk, and sharing these files across complex workflows is even more challenging.
The public archival format for digital camera raw data – “Digital Negative”-Format (DNG)