Yes there is an open G tuning. Click on the guitar icon in the cord window, that is the main window, then:
1-click on set
2-click on fretboard
3-click on the down arrow then select Guitar-Open G



I'm no longer allowed to go caroling at the psych hospital.
I guess Do You Hear What I Hear was a bad song choice!

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