How can I get the JPEG2000 plug-in that will allow me to save to that format from Elements?

1. First, be sure that you are aware of the limited recognition of this new format by other applications.
2. With your computer connected to the Internet, choose File > Online Services. You’ll get a license agreement that you must agree to in order to continue.
3. You will then get a list of available downloads, including the JPEG2000 plug-in. Click on the one that is appropriate for your OS (Windows or Mac).
4. After you have completed the download, you will need to unzip the file. You will end up with the plug-in (JPEG2000.8BI) and a ReadMe that will tell you to put the plug-in in the Plug-Ins folder within your Elements application folder.
5. The next time you open Elements, you will find the JPEG 2000 format in your Save As dialog. Note that the save process includes a rather large dialog that you will want to experiment with.