You don't need to use micro-chords in this case. Just input your chords like this C,Bb F: that is C comma (,), Bb.
Micro-chords are for adding more that one chord per beat. Using a comma will put chords on the second and forth beat of a measure.

I hope this helps.

Whenever I get something stuck in the back of my throat, I dislodge it by drinking a beer.
It's called the Heineken Maneuver.

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware