A macro virus is a type of virus coded in the macro language that is utilized for various software applications, including the word suite. Microsoft Word and Excel are two well-known applications that support potent macro languages. The languages are ingrained in the files which enable them to operate automatically when the documents are accessed. If a macro virus finds its way into the documents, it has the capability to hamper the files. Once the macro virus is accessed, it commences automatic activities which can damage the device.