As others have mentioned, it seems that the steps above have caveats or options... Admittedly, my FTD migration to another FMC was not as complicated because this is a secondary, smaller site so there's no IPsec tunnels, no user VPN, no certificates ...

WOW! So cool!  I got the original version to work on 2021-11-18.  rel3 error'd for me.  But THANK YOU FOR THIS!  To be able to spit out several hundred rules into a CSV is such a gift!!!  Please keep this working...and please give some detailed instr...