A good history of macro viruses can be found in Dr. Alan Solomon's seminal paper "Introduction to Macro Viruses" -- a must-read for anyone interested in virus history. Besides displaying this joke ...

When that file is opened, the virus does its damage. Macro viruses can come in Microsoft Word documents that are sent as email attachments. The macro causes the damage when the document is opened ...

A Word macro virus that was unleashed in the spring of 1999. It sent an email message with a list of pornographic websites to the first 50 names in the user's Microsoft Outlook address book.