https://www.icyphoenix.com/viewtopic.php?f=4&t=3348&p=23199#p23199
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Mighty Gorgon
Tue 08 Jan, 2008 22:19

Re: How To Convert IP (icy Phoenix) To Phpbb3
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I didn't try yet... but I guess that if you install phpBB 3 from scratch you should then be able to import users and posts from an existing phpBB...

If someone will try this, please let me know.