If you are the proud owner of a freshly released NX300, or of another Samsung camera model, you might soon discover that answering the question in the title is not as easy as it seems. When downloading the first series of photos on your computer, you might discover their format is not JPEG, PNG or any another image extension that your regular photo viewer can easily recognize. Instead, you will see a bunch of SRW files that your computer does not know how to open and edit.