How to feed Visual Studio Clang-Format plugin with clang-format file?

Question

So I downloaded, installed, and inserted into path the clang formatting plugin. I also tested it and it works for Google (Mozilla, etc.) formatting options out of the box, y

Answer 1

In VS2019 works if the clang-format file is named as .clang-format.

It must be .clang-format, not .clang-format.txt or clang-format.txt.