Convert pwp to wdp

What is the difference between .pwp and .wdp?

Description: The PWP file format is associated with PhotoWorks, a digital image editing and enhancement software. PWP files are the proprietary format used by PhotoWorks to store digital photographs and images, including all the editing and adjustments made within the software. This file type contains image data such as color, brightness, and contrast adjustments, as well as any applied filters or effects. Since PWP is a proprietary format, it is primarily supported and opened by PhotoWorks software.; Compressed raster image format developed by Microsoft; similar to the .JPG format, but uses a higher degree of compression and supports both lossy and lossless compression; used primarily for high-resolution digital photographs; can be used with several Microsoft products including Windows Photo Viewer, Windows Live Movie Maker (WLMM), and Microsoft Word.