There isn't a workaround for the limit.
How large are the files?? Can you explain your use case in more detail?
Thanks for the very quick reply
One of my customers would like to send a project check off form
One of the steps would be to upload cad drawing files
They could very large 300 meg or more
That is pretty big... we would never raise our limit to be that large (5000 responses times 300MB would get kinda crazy)
Have you thought about having them send them through SendNow? You need a service that is optimized for sending large files.