No, you should never have to work directly with any files in the Cage. The magicVORTEX application handles all aspects of file I/O relating to the Cage. As long as you use the application to save, abort, and/or delete files regularly, you should never have a problem with having too many files in your Cage.
If you are using one of our larger plans, then you may want to increase your Maximum Cage Size. To learn more about the magicVORTEX application's Cage and how to adjust settings related to it, please visit our online help at: