How do I know which email signature will be used by the Mobile Module? Modified on 2018-04-15 22:14:50 +0200 by Chris Jennings. The default Outlook email signature is used. Manage email signatures for all staff on all devices. Start your free 14-day trial today. Quick 1-on-1 Demo | Ⓒ 2024 Xink Free 1-on-1