With the file extension JSF scripts of the graphics software Fireworks (also JavaScript Fireworks) are marked. With Adobe Fireworks, both images and vector graphics can be processed into interactive graphics.
JSF files contain javascript code, which can additionally use the functions and commands of fireworks. These scripts can be used in Fireworks via 'Commands -> Execute Script' or in Flash or Dreamweaver.
Most often resolving problems with opening JSF files is very simple. Just install an appropriate program that supports such files. All of the listed programs support JSF files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of JSF 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 JSF 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 Adobe Fireworks applications is not on the list, select "Browse" option in order to manually locate the directory where Adobe Fireworks has been installed.
Sometimes problems with opening JSF files may not lie with the application itself, but can arise due to other causes, such as: