Before revision: Different types of macros viruses System Macro Viruses System macro means macros that interact with basic operators in a Word document (like often-used functionalities like FileSave, FileSaveAs which are macros).
After revision: Different types of macros viruses System macro viruses System macro means macros that interact with basic operators in a Word document (like often-used functionalities like FileSave, FileSaveAs which are macros).