Obviously, I used SMF's importer to import PHPBB3 to SMF. That went okay.<br/><br/>Importing SMF to ElkArte went okay too, with slight issues but I was able to resolve those issues.<br/><br/>You will need to add the ability to either correct usernames that have spaces in them or make sure that ElkArte's able to import usernames with spaces.<br/><br/>For example, on a test install, I have a user...