To add to this...It appears you're using JMP for Mac if you're Exporting. I'm using JMP for Windows which has a jpeg option, however it's under File>Save As not Export like on a Mac, an OS difference. I've found .pngs are pretty universal and highly beneficial if you need transparency, and is my go to graphic output.
If your goal is a presentation, you can quickly use the large plus + tool to highlight a graph, right-click and copy then paste into your presentation or doc and repeat. If your goal is editing, retrieval or combination scripts, as nicely mentioned above you can copy a script or use red triangle Save Script to Data Table then Edit that script. Thanks for helping out guys.
Ryan DeWitt - JMP User Enablement | Creative • Video • Design • Learning