To move a type to another namespace
  1. Position the caret at a class, interface, struct, or enum.
  2. On the ReSharper menu or context menu, choose Refactor | Move, or press F6.  The Move drop-down list appears, choose Move to Another Namespace command. The Move to Another Namespace dialog box opens:
    Refactorings__Move__Type_to_Another_Namespace__dialog_box
  3. Use the Target namespace name drop-down list to specify the destination namespace. You can type its name, or click the browse button to locate the target namespace in the drop-down tree view:
    Refactorings__Move__Type_to_Another_Namespace__choose_namespace
  4. Click Next.