All you got to do on the PS4 is hit the export button.@TheAlSpark "we'll share details" suggests this is not straight forward. And it should be. Easier said than done retrospectively but come on, Sony; you had years to find a more elegant solution to this.
You'll get a a block of random numbers and letters, 20 letters wide and 20 rows deep.
Make sure you write it all down correctly!
Then you go into the PS5 and you manually type it all back in!