How to install a personal certificate (for email signing) on Windows Mobile 6.1

I wanted to be able to sign/encrypt email on my BlackJack II which is running Windows Mobile 6.1. I already have the certficates installed in Outlook for the coming year and now I wanted it on my device. Export from Outlook Import certs on WM6.1 Restart your phone first Start > All Programs > Applications > File Explorer >...