dds The .dds extension file is a DirectDraw Surface format file developed by Microsoft and is used by the multimedia application Microsoft DirectX to store graphics and data in the compressed and uncompressed form.
wbmp .wbmp refers to the wireless application protocol bitmap monochrome graphics file format. The format was initially developed by the WAP forum which later become part of the open mobile alliance. WBMP files are optimized for mobile devices prior to the advent of smartphones and is categorized as a raster image file format. Mobile network services such as SMS and MMS on GSM carriers typically have compatible support for this format, allowing users to send graphics saved in this format.