So Jae-6 and I are guild mods and one of the things that takes a lot of steps and is hard to do is to put existing posts in an existing thread as if the thread had always had the posts. Like basically move individual posts from thread to thread.
In order for us to do it, we had to create a new thread with the existing posts and merge the new thread with the posts into an existing thread and it's like they've always been there.
There's simply no option to move individual posts into a new thread as far as we know. I had to teach Jae-6 how to do that.