On Thu, 10 Sep 2020 21:39:14 -0400, Bill wrote:

That's what I do too. But when I delete cookies (with CCleaner), which
I do regularly, there are frequently some for Edge, even though I don't
use it explicitly. Is there an explanation for that phenomenon?

Whole bunch of "possible" explanations...
a. How do you know the cookies are for edge?
b. Which edge?
c. How do you know Edge (whichever one) isn't started in the background?
etc.