Concerning Outlook files, as you know, you can name and place them wherever you want.
The problem with Adobe's folders, is that it seems that they cannot be placed anywhere, and they are really numerous. Here is a second screenshot (Adobe's folders are highlighted) with the new Photoshop folder (Adobe\Photoshop Cloud Associates), which in my case is totally useless as I am a freelancer and do not work with anybody else. As I also use from time to time Premiere Pro and media Encoder, which also create their own folders (I delete them systematically after use), the situation seems out of control.
I use other programs that also create folders (which remain empty furthermore) and I consider that this must be absolutely forbiden, otherwise My documents will rapidly become a terrible mess in which it will be difficult to identify what is mine and what is extra.
Last, but not least, I cannot accept the idea that a few engineers from the Silicon Valley decide on my behald how to arrange my personnal data!
In conclusion, please come back to the previous situation and use AppData\Local\Adobe and AppData\Roaming\Adobe to store any information that might be useful from one session to another.
don't get me wrong. I did not say that I appreciate what Adobe and others are doing. Thanks to your post I am now aware of the new behavior of CC 2020 apps writing new folders and files also to the Documents folder ( I hardly use my Documents folder ) .
I cannot tell why CC 2020 apps are doing this. Nore can I tell what's the exact purpose of the folders and files. Also I cannot tell if its "dangerous" to remove them.
Hm… I would do a feature request for not writing to the Documents folder: