Even though both the NRW and NEF formats are from Nikon digital cameras it is unlikely one could be converted to each other. Generally RAW digital photography formats are not converted between each other, and there is probably no program that could do it anyway. RAWs are either exported to a digital negative (DGN) or to JPEG/TIFF.
This conversion entry was verified by us and conversion was flagged as wrong or not possible.
Usually this happens when the conversion would try to convert different types of data between each other, such as audio to image, or it is not possible because incompatibility between programs, caused by closed file formats, very limited support etc.
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