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BMP3 (Bitmap Image File V3) is an image file format developed by Microsoft, commonly used for storing two-dimensional digital images in a wide range of color depths. While BMP files are capable of storing detailed images without any compression—preserving the original quality—they often result in large file sizes, making them less ideal for web usage or sharing.

The RAW image file format is a generic term for a variety of image formats used by different digital camera manufacturers. RAW files store unprocessed data from the camera's sensor, providing photographers with the ability to manipulate settings like exposure, white balance, and sharpness during post-processing, which can result in higher image quality. Unlike JPEG and other compressed formats, RAW files retain a much broader range of color and luminance values, offering more flexibility for editing but also resulting in larger file sizes.