Simply add your Active Directory details and begin syncing to Azure AD. Choose between Express or Custom settings.
Azure AD Connect will integrate your on-premises directories with Azure Active Directory. This allows you to provide a common identity for your users for Office 365, Azure, and SaaS applications integrated with Azure AD.
Integrating your on-premises directories with Azure AD makes your users more productive by providing a common identity for accessing both cloud and on-premises resources. Users and organizations can take advantage of the following:
AD Connect Sync Features
Azure AD Connect comes with several features you can optionally turn on or are enabled by default. Some features might sometimes require more configuration in certain scenarios and topologies.
Single Sign On Options
AD Connect Support
Azure AD Connect Documentation - Sync Active Directory with Azure AD