BMP (Bitmap) is a standard image file format used on DOS and Windows-compatible computers. It supports multiple colour modes, including RGB, indexed colour, grayscale, and monochrome bitmaps, making it versatile for storing digital images. BMP files are typically uncompressed, which preserves high-quality detail and colour accuracy, but can result in larger file sizes. This format is commonly used in digital imaging, graphics editing, and archival purposes where image fidelity is essential.