That is, I select all the files in a folder and want them all to be between 500-800 words, without having to do it for each of them one at a time.
Not the answer you want, but one post on this thread has some ideas that might help for the future;
And this post has a simple and reasonably swift workaround:
Ugh! Really, I did search first. Guess my searching skills are really lacking.
The outline method worked great for setting the maximum. Too bad they don’t allow displaying the minimum, which is equally important for what I’m doing. But I did set up my new card/file template to set both.