This article describes how to set up BlackBerry 10 devices.
How to add an Exchange Account with Autodiscover
To integrate a Microsoft Exchange ActiveSync account on a BlackBerry 10 smartphone, complete the following steps:
On the home screen, swipe down from the top bezel and select Settings.
Select Accounts > Add Account > Email, Calendar and Contacts
Enter the email address in the Email Address field and click Next.
Enter the account password on next screen and click Next.
The BlackBerry smartphone autodiscover client will attempt to use the autodiscover service of the Microsoft Exchange Server to get all of the requisite server and synchronization settings.