When you use your address book to select recipients for an e-mail message or attendees of a meeting in Microsoft Outlook, information from your custom Contacts folder (CRM Contacts, CRM Leads or CRM Accounts) does not appear in the list.

In order to make it available mark your contact folder for use with your address book.

Step 1

Select the contacts folder and open it's properties via the popup menu Properties... or the ribbon Folder > Properties > Folder Properties.

Step 2

In the Folder Properties dialog navigate to Outlook Address Book tab and set checkbox next to Show this folder as an email Address Book.

Step 3

Now when you create an email or meeting and open the address book

the folder is available in the dropdown