Chem 4 Word version 1.6

Jun 24, 2015 at 4:11 PM
Computer info:
Windows 7 64-bit OS
Office 2013 32-bit

User is receiving this message on both computers. Don't know what it means? It comes up every time before exiting Microsoft Word...wanting to know if it can be stopped?

"You have modified styles, building blocks (such as cover pages or headers), or other content that is stored in Chem4Word. Do you want to save changes to Chem4Word?