What does the "Sync Namespaces" feature do in Visual Studio?

Question

I've recently noticed that Visual Studio 2022 has this feature to "Sync Namespaces".

Nothing seems to happen if I click on it. What is the intended purpose of this feature?

Answer 1

It updates namespaces in your code to match folder structure.

For example, if you have a file Class1.cs in folder Models it changes the code namespace in Class1.cs to Project.Models.