I made a posting while back about this same "grey" area.

Was unable to cut and paste into the Style Auditioning Screen.
Tried several methods.
Best I could do was to enter the 30 or 32 character descriptor that
displays in the style descriptor center of screen.


FrankB

Down The Street vs2015 12-03-2014
Win7, AMD QuadA8-5500,16GB,2TeraHD, Komplete 10
PG Ultra Plus 2016,Alesis 12USB, Sonar Platinum