Photos have a way of multiplying on an Android phone. A single picture can end up saved in several places: downloaded once, shared in a chat, or stored again during a backup. Over time, these extra copies start taking up storage space and make it harder to find the photos that are important or needed.
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Find Duplicate Photo Files Raw NEF Format
NEF is an abbreviation of Nikon Electronic Format. If you haven’t guessed already, it is a proprietary file format developed by the widely popular Nikon Camera. It is called a RAW file type because it retains everything captured by the Nikon camera just like any other unprocessed image file.
RAW file types are popularly known as Digital Negatives as they contain everything captured by your camera including image metadata, camera model, sensor, lens, camera settings, and other information.