I don’t know why something so simple should be so difficult to find (Sim Brief ID.)
You can see your Simbrief ID on the New Flight page. See also A320NX Simbrief ID - #6 by SimBrief
Thank you again for good information. By the way, I have created innumerable flight plans in Sim Brief. Perhaps you don’t see them since I was not signed up for monthly updates.
You are welcome. I think there are approximately 37 plans of yours dating back to July 22.