Given those rules along with the selection in Options not to 'Add usings to the deepest scope', we receive the following warning on build: SA1200 Using directive must appear within a namespace declaration. SA1210 Using directives must be ordered alphabetically by namespace SA1209 Using alias directives must be placed after other using directives SA1208 System using directives must be placed before other using directives If my existing namespaces have at least one. Global usings - ReSharper code analysis is now aware of usings marked with the global keyword, and it uses them to correctly resolve symbols in all the code files in the project. Our StyleCop.Analyzers ruleset includes the following directive related rules: SA1200 Using directives must be placed correctly If my existing namespaces already have System items first, then ReSharper will insert new namespaces below them. How can we Reorder using statements and keep them outside the namespace? Despite having un-selected that, on re-ording the usings, ReSharper places the usings inside the namespace. Its answer suggest going to ReSharper > Options > Code Editing → C# → Code Style → Add 'using' directive to the deepest scope. Visual Studio or Resharper functionality for placement of using directives asks how to put usings inside the namespace. you want to comment by holding Alt and click anywhere inside that line. ReSharper puts them inside the namespace when reordering. Select a block of code using your mouse or keyboard Then you can simply click on.

We would like to Reorder using statements and keep them outside of the namespace.

Resharper using inside namespace