We've shared 50 windows xp alternatives and 10 tools to overhaul your windows interface) and 10 of the best Windows Media Player alternatives in the past, and everyone knows that windows itself has a lot to offer. For example, the windows default image Viewer Windows Picture and Fax Viewer can view very few formats and can only open a limited number of types of image file formats - JPEG, BMP, PNG, GIF (GIFs), ICO, WMF, EMF, etc. TIFF. If you come across some slightly more professional image formats, such as RAW *.cals, *.dpx. Format, Windows has no way to download some image viewer software, such as ACDSEE, etc., not to mention the size of the software, the speed of opening files is far less than the image viewer that comes with Windows.