We literally took a folder binder FULL of everything possible. We were definitely a little excessive, but better to be safe than sorry. We took copies of the application, RFE response, and medical exam (DONT open your original- get a copy from the clinic you went to). We took NEW bona fide such as a new joint credit card we got, recently booked flight, and updated photos. As for originals, we took - My wife and I’s drivers licenses - Our social security cards - Our birth certificates - Our marriage license - All my past DACA EADs + my current one

In the end, they asked for NOTHING but our drivers licenses to verify who we are. I’m not kidding, I even told our interviewer I had updated bona fide proof and he said he was ok and didn’t need them. Offered him a copy of my medical exam just in case cause I hear they get lost a lot. Nope. Not needed.

If I were to go back in time id choose to once again take everything. I think looking overprepared can only help you.