In SAP C4C, you can also integrate your cloud solution with your email using Add In for Microsoft Outlook to support sales, service and marketing scenarios.
To ensure integration between C4C and Outlook, you need to ensure scoping is selected at the time of project implementation.
All users who wants to use SAP C4C with Outlook, they should install Add-in on their computers. Add in can be downloaded from the solution and steps should be followed in the set up wizard to complete the installation.