Insert a new track in RC
right click > Fill with Chord Generator
hold Ctrl key and drag track name out to a folder

In Biab, File > Import > Import Chords from Midi file Ctrl-Alt-I (NOT PG Music MIDI file)
Open (Change)
INTERPRET CHORDS NOW

In RealBand set tempo, Ctrl Drag RC track straight into a track in RealBand, in the chord window click Reinterpret. If you have "Export Chords as MIDI Markers" checked in RapidComposer's Settings > Miscellaneous, you will have the chords on the bar timeline as markers.

To get the chords into Cubase
Set tempo in Cubase
Set 2 bar offset in project settings if needed
Ctrl Drag track into Cubase
Insert Chord Track
Select midi track > Project - Chord Track - Make chords.