This format is applied in universal vector graphics in Windows applications. It’s used to store collections of graphical drawings. It stores data in the RGB range, not supporting the CMYK system. It can be used as the graphics language for a printer driver. It has a 16-bit structure.
PBM is a Portable image in black and white. Can be opened with programs: Adobe Photoshop CS, ACD Systems Canvas 15, ACD Systems ACDSee 17, Newera Graphics Converter Pro, Corel PaintShop Pro X6. File contains 1 bit per pixel. PBM is a kind of file format PPM. And can be readable or binary.