Where to find universal Windows applications?

Where are the universal applications located in Reg Organizer (or Soft Organizer), and what are these applications?

For example, Outlook. The edition of the program is a Universal Windows application. The abbreviation for such applications is UWP (Universal Windows Platform).

 

In Reg Organizer, they can be found in:

 

1. The Universal Windows Apps folder.

2. By searching, entering this string in the field.