Page 948 - Windows 10 May 2019 Update The Missing Manual: The Book That Should Have Been in the Box

Figure 19-4. Top: Much finer-tuned sharing features are available in this more advanced box.
Bottom: For example, you can specify personalized permissions for different individuals.

Notes on File Sharing

And now, the fine print on sharing files:

Sharing a folder also shares all the folders inside it, including

new ones you may create later.