The suffix JPD denotes files that contain bitmap images that have been compressed using the lossy method of RGB Light PhotoDefiner. This method uses a "dark method" approach.
The format is particularly suitable for multimedia content and streaming as well as single frames, where small size has priority.
RGB Light provides a free Quicktime component for Windows and Mac OSX.
Most often resolving problems with opening JPD files is very simple. Just install an appropriate program that supports such files. All of the listed programs support JPD files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of JPD files or offer file conversion options, but may not be capable of editing such files.
It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate JPD files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the ProActivity Fusion applications is not on the list, select "Browse" option in order to manually locate the directory where ProActivity Fusion has been installed.
Sometimes problems with opening JPD files may not lie with the application itself, but can arise due to other causes, such as: