We recently got a threatening email with a Word attachment. The only way I know how to find out the author of a document is to go into File > Properties and check the author name. However, there was no data of any kind in the file's properties. Is there any way to figure out who wrote this? Is there a program that can do this for not only Word documents but other Office documents as well as non-Microsoft documents. I've consulted my superiors and we don't want to go to any outside party to resolve this but want to know who did this.
Any help is appreciated.