Existing 2017 Make files after Pro trial expires?

I think I know the answer to this Q having checked previous Q’s but just need to double confirm:

If I install a Pro free trial over an existing 2017 Make app nothing will happen to my existing files once the Pro trial ends right? I’ll just revert to Make, possibly have to click ‘I agree’ not to use the free version for commercial purposes, etc.

Thanks
A