I have been using Logos for years and have lots of notes and highlighter markups in Logos 3.
How do I get those things to import into Logos 4? Is this even possible? Thanks.............
It's in the list of stuff yet to come:
http://www.logos.com/4/missingfeatures
Note that it's in the coming very soon section.
They know how important this is, and they're working on it.