You can just copy everything over - the archive contains no files that'd kill your settings.
Thank you. Just me being overly cautious
I have updated successfully now.
Really appreciate the update too. Glad to get see the back of the 'viewing a message while updating' bug. Means I will no longer have to sit patiently whilst it finishes updating all my folders before reading my messages!
Power Mac G4 - 1.25Ghz - MorphOS 3.10
Amiga 500 - 68080 - Vampire V500 V2
C64 - SIDFX - 1541 Ultimate II+