Yes, the standalone works just like the installed version (minus Windows Explorer integration, i.e. double-click and right-click in Windows Explorer).
Yes, we ask for an email address then too, since it might be a good idea to synchronize keys with a new device, or enable Premium functionality if you’ve paid for that (we keep track of subscription status on a server).
However, if you don’t have Internet access, you will still need to enter an email but we won’t require a registration. We’ll accept anything that looks like a proper email.
You can also force AxCrypt to never attempt Internet connection by starting it with the –offline switch.
So, yes, the standalone really works standalone.