Is there a way to organize word lists and question sets into folders?

Currently the isn't a way to organize the word lists and question sets that you create. This is something we plan to create a solution for in the not too distant future. In the meantime, you can use your browsers search function to help you locate questions by title. On a Mac, press Command (⌘) + F, and on a PC, press Ctrl + F to use the browser's find function.