​This guide will show you how to add contacts by phone numbers and display it in Lync client by display name.

This guide will show you how to request certificate for your Contacts Manager's machine manually.

This guide will show you how to add external contacts or federated users to your contact list of Contacts from external domains.

To upgrade your legacy version of Contacts Manager to version 4.0, you have to follow the below steps:

This guide will show you all prerequisites of Contacts Manager for Lync Online.

This guide will show you how to uninstall Contacts Manager version 4.0 then reinstall it without losing your configuration.

This guide will show you how to Create Trust Application manually.

It is possible to use an existing certificate for Contacts Manager in case these conditions are met:

This guide will show you how to filter Active Directory users in Contacts Manager version 4.0.

This guide will show you system requirements for Contacts Manager v 4.0

Follow this guide for how to install Contacts Manager version 4.0

This guide will show you how to setup Contacts Manager version 4.0 for UCS users.

This guide will show you how to upgrade your license for Contacts Manager version 4.0