Remove Hidden Data

Removed in 2007
This was replaced with the Document Inspector.
The Remove Hidden Data add-in is a tool that you can use to remove personal or hidden data that might not be immediately apparent when you view the document in your Microsoft Office program.
www.microsoft.com/en-us/download/details.aspx?id=8446

This add-in removes meta data from Excel that you don't want other people to see.
This adds a button to (File > Remove Hidden Data)